docs: add onboarding information step by step for each provider (#7362)

docs/tutorials/aws/getting-started-aws.md

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+# Getting Started with AWS on Prowler Cloud
+
+<iframe width="560" height="380" src="https://www.youtube-nocookie.com/embed/RPgIWOCERzY" title="Prowler Cloud Onboarding AWS" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen="1"></iframe>
+
+Set up your AWS account to enable security scanning using Prowler Cloud.
+
+## Requirements
+
+To configure your AWS account, you’ll need:
+
+1. Access to Prowler Cloud
+2. Properly configured AWS credentials (either static or via an assumed IAM role)
+
+---
+
+## Step 1: Get Your AWS Account ID
+
+1. Log in to the [AWS Console](https://console.aws.amazon.com)
+2. Locate your AWS account ID in the top-right dropdown menu
+
+![Account ID detail](./img/aws-account-id.png)
+
+---
+
+## Step 2: Access Prowler Cloud
+
+1. Navigate to [Prowler Cloud](https://cloud.prowler.com/)
+2. Go to `Configuration` > `Cloud Providers`
+
+    ![Cloud Providers Page](../img/cloud-providers-page.png)
+
+3. Click `Add Cloud Provider`
+
+    ![Add a Cloud Provider](../img/add-cloud-provider.png)
+
+4. Select `Amazon Web Services`
+
+    ![Select AWS Provider](./img/select-aws.png)
+
+5. Enter your AWS Account ID and optionally provide a friendly alias
+
+    ![Add account ID](./img/add-account-id.png)
+
+6. Choose your preferred authentication method (next step)
+
+    ![Select auth method](./img/select-auth-method.png)
+
+---
+
+## Step 3: Set Up AWS Authentication
+
+Before proceeding, choose your preferred authentication mode:
+
+Credentials
+
+* Quick scan as current user ✅
+* No extra setup ✅
+* Credentials time out ❌
+
+Assumed Role
+
+* Preferred Setup ✅
+* Permanent Credentials ✅
+* Requires access to create role ❌
+
+---
+
+### 🔐 Assume Role (Recommended)
+
+![Assume Role Overview](./img/assume-role-overview.png)
+
+This method grants permanent access and is the recommended setup for production environments.
+
+=== "CloudFormation"
+
+    1. Download the [Prowler Scan Role Template](https://raw.githubusercontent.com/prowler-cloud/prowler/refs/heads/master/permissions/templates/cloudformation/prowler-scan-role.yml)
+
+        ![Prowler Scan Role Template](./img/prowler-scan-role-template.png)
+
+        ![Download Role Template](./img/download-role-template.png)
+
+    2. Open the [AWS Console](https://console.aws.amazon.com), search for **CloudFormation**
+
+        ![CloudFormation Search](./img/cloudformation-nav.png)
+
+    3. Go to **Stacks** and click `Create stack` > `With new resources (standard)`
+
+        ![Create Stack](./img/create-stack.png)
+
+    4. In **Specify Template**, choose `Upload a template file` and select the downloaded file
+
+        ![Upload a template file](./img/upload-template-file.png)
+        ![Upload file from downloads](./img/upload-template-from-downloads.png)
+
+    5. Click `Next`, provide a stack name and the **External ID** shown in the Prowler Cloud setup screen
+
+        ![External ID](./img/prowler-cloud-external-id.png)
+        ![Stack Data](./img/fill-stack-data.png)
+
+    6. Acknowledge the IAM resource creation warning and proceed
+
+        ![Stack Creation Second Step](./img/stack-creation-second-step.png)
+
+    7. Click `Submit` to deploy the stack
+
+        ![Click on submit](./img/submit-third-page.png)
+
+=== "Terraform"
+
+    To provision the scan role using Terraform:
+
+    1. Run the following commands:
+
+        ```bash
+        terraform init
+        terraform plan
+        terraform apply
+        ```
+
+    2. During `plan` and `apply`, you will be prompted for the **External ID**, which is available in the Prowler Cloud UI:
+
+        ![Get External ID](./img/get-external-id-prowler-cloud.png)
+
+    > 💡 Note: Terraform will use the AWS credentials of your default profile.
+
+---
+
+### Finish Setup with Assume Role
+
+8. Once the role is created, go to the **IAM Console**, click on the `ProwlerScan` role to open its details:
+
+    ![ProwlerScan role info](./img/prowler-scan-pre-info.png)
+
+9. Copy the **Role ARN**
+
+    ![New Role Info](./img/get-role-arn.png)
+
+10. Paste the ARN into the corresponding field in Prowler Cloud
+
+    ![Input the Role ARN](./img/paste-role-arn-prowler.png)
+
+11. Click `Next`, then `Launch Scan`
+
+    ![Next button in Prowler Cloud](./img/next-button-prowler-cloud.png)
+    ![Launch Scan](./img/launch-scan-button-prowler-cloud.png)
+
+---
+
+### 🔑 Credentials (Static Access Keys)
+
+You can also configure your AWS account using static credentials (not recommended for long-term use):
+
+![Connect via credentials](./img/connect-via-credentials.png)
+
+=== "Long term credentials"
+
+    1. Go to the [AWS Console](https://console.aws.amazon.com), open **CloudShell**
+
+        ![AWS CloudShell](./img/aws-cloudshell.png)
+
+    2. Run:
+
+        ```bash
+        aws iam create-access-key
+        ```
+
+    3. Copy the output containing:
+
+        - `AccessKeyId`
+        - `SecretAccessKey`
+
+        ![CloudShell Output](./img/cloudshell-output.png)
+
+    > ⚠️ Save these credentials securely and paste them into the Prowler Cloud setup screen.
+
+=== "Short term credentials (Recommended)"
+
+    You can use your [AWS Access Portal](https://docs.aws.amazon.com/singlesignon/latest/userguide/howtogetcredentials.html) or the CLI:
+
+    1. Retrieve short-term credentials for the IAM identity using this command:
+
+        ```bash
+        aws sts get-session-token --duration-seconds 900
+        ```
+
+        ???+ note
+            Check the aws documentation [here](https://docs.aws.amazon.com/IAM/latest/UserGuide/sts_example_sts_GetSessionToken_section.html)
+
+    2. Copy the output containing:
+
+        - `AccessKeyId`
+        - `SecretAccessKey`
+
+        > Sample output:
+            ```json
+            {
+                "Credentials": {
+                    "AccessKeyId": "ASIAIOSFODNN7EXAMPLE",
+                    "SecretAccessKey": "wJalrXUtnFEMI/K7MDENG/bPxRfiCYzEXAMPLEKEY",
+                    "SessionToken": "AQoEXAMPLEH4aoAH0gNCAPyJxz4BlCFFxWNE1OPTgk5TthT+FvwqnKwRcOIfrRh3c/LTo6UDdyJwOOvEVPvLXCrrrUtdnniCEXAMPLE/IvU1dYUg2RVAJBanLiHb4IgRmpRV3zrkuWJOgQs8IZZaIv2BXIa2R4OlgkBN9bkUDNCJiBeb/AXlzBBko7b15fjrBs2+cTQtpZ3CYWFXG8C5zqx37wnOE49mRl/+OtkIKGO7fAE",
+                    "Expiration": "2020-05-19T18:06:10+00:00"
+                }
+            }
+            ```
+
+    > ⚠️ Save these credentials securely and paste them into the Prowler Cloud setup screen.
+
+Complete the form in Prowler Cloud and click `Next`
+
+![Filled credentials page](./img/prowler-cloud-credentials-next.png)
+
+Click `Launch Scan`
+
+![Launch Scan](./img/launch-scan-button-prowler-cloud.png)