docs: migrate to Mintlify (#8894)

docs/getting-started/basic-usage/prowler-app.mdx

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+---
+title: 'Basic Usage'
+---
+
+## Access Prowler App
+
+After [installation](/getting-started/installation/prowler-app), navigate to [http://localhost:3000](http://localhost:3000) and sign up with email and password.
+
+<img src="/images/sign-up-button.png" alt="Sign Up Button" width="320" />
+<img src="/images/sign-up.png" alt="Sign Up" width="285" />
+
+<Note>
+**User creation and default tenant behavior**
+
+
+When creating a new user, the behavior depends on whether an invitation is provided:
+
+- **Without an invitation**:
+
+    - A new tenant is automatically created.
+    - The new user is assigned to this tenant.
+    - A set of **RBAC admin permissions** is generated and assigned to the user for the newly-created tenant.
+
+- **With an invitation**: The user is added to the specified tenant with the permissions defined in the invitation.
+
+This mechanism ensures that the first user in a newly created tenant has administrative permissions within that tenant.
+
+</Note>
+## Log In
+
+Access Prowler App by logging in with **email and password**.
+
+<img src="/images/log-in.png" alt="Log In" width="285" />
+
+## Add Cloud Provider
+
+Configure a cloud provider for scanning:
+
+1. Navigate to `Settings > Cloud Providers` and click `Add Account`.
+2. Select the cloud provider.
+3. Enter the provider's identifier (Optional: Add an alias):
+    - **AWS**: Account ID
+    - **GCP**: Project ID
+    - **Azure**: Subscription ID
+    - **Kubernetes**: Cluster ID
+    - **M365**: Domain ID
+4. Follow the guided instructions to add and authenticate your credentials.
+
+## Start a Scan
+
+Once credentials are successfully added and validated, Prowler initiates a scan of your cloud environment.
+
+Click `Go to Scans` to monitor progress.
+
+## View Results
+
+Review findings during scan execution in the following sections:
+
+- **Overview** – Provides a high-level summary of your scans.
+  <img src="/images/products/overview.png" alt="Overview" width="700" />
+
+- **Compliance** – Displays compliance insights based on security frameworks.
+  <img src="/images/compliance.png" alt="Compliance" width="700" />
+
+> For detailed usage instructions, refer to the [Prowler App Guide](/user-guide/tutorials/prowler-app).
+
+<Note>
+Prowler will automatically scan all configured providers every **24 hours**, ensuring your cloud environment stays continuously monitored.
+
+</Note>