support deeepgram influx (#501)

* support deeepgram influx

* update verb specification

lib/routes/api/speech-credentials.js

@@ -238,10 +238,10 @@ const encryptCredential = (obj) => {
       });
       return encrypt(resembleData);
 
-    case 'deepgramriver':
-      assert(api_key, 'invalid deepgram river speech credential: api_key is required');
-      const deepgramriverData = JSON.stringify({api_key});
-      return encrypt(deepgramriverData);
+    case 'deepgramflux':
+      assert(api_key, 'invalid deepgram flux speech credential: api_key is required');
+      const deepgramfluxData = JSON.stringify({api_key});
+      return encrypt(deepgramfluxData);
 
     case 'ibm':
       const ibmData = JSON.stringify({tts_api_key, tts_region, stt_api_key, stt_region, instance_id});
@@ -806,7 +806,7 @@ router.get('/:sid/test', async(req, res) => {
         }
       }
     }
-    else if (cred.vendor === 'deepgramriver') {
+    else if (cred.vendor === 'deepgramflux') {
       const {api_key} = credential;
       if (cred.use_for_stt && api_key) {
         try {