Feature/nvidia speech (#261)

* initial changes for nvidia speech

* allow nvidia speech credentials to be set at runtime

* update drachtio-fsmrf

* fix handling of nvidia-specific options

* fix nvidia custom config

* fix nvidia word time offsets

* fix nvidia custom configuration

* normalize nvidia transcripts

* update to @jambonz/realtime-dbhelpers with nvidia tts support

package.json

@@ -26,7 +26,7 @@
   "dependencies": {
     "@jambonz/db-helpers": "^0.7.4",
     "@jambonz/http-health-check": "^0.0.1",
-    "@jambonz/realtimedb-helpers": "^0.6.3",
+    "@jambonz/realtimedb-helpers": "^0.6.4",
     "@jambonz/stats-collector": "^0.1.6",
     "@jambonz/time-series": "^0.2.5",
     "@opentelemetry/api": "^1.4.0",
@@ -38,12 +38,12 @@
     "@opentelemetry/sdk-trace-base": "^1.9.0",
     "@opentelemetry/sdk-trace-node": "^1.9.0",
     "@opentelemetry/semantic-conventions": "^1.9.0",
-    "aws-sdk": "^2.1304.0",
+    "aws-sdk": "^2.1313.0",
     "bent": "^7.3.12",
     "debug": "^4.3.4",
     "deepcopy": "^2.1.0",
-    "drachtio-fsmrf": "^3.0.16",
-    "drachtio-srf": "^4.5.23  ",
+    "drachtio-fsmrf": "^3.0.18",
+    "drachtio-srf": "^4.5.23",
     "express": "^4.18.2",
     "ip": "^1.1.8",
     "moment": "^2.29.4",