feat: Add second Dutch samples and update cached models

Author: lpatino10

public/audio/new_single2-mono-NB.wav

@@ -221,5 +221,27 @@
       "speaker_labels": true
     }, 
     "description": "US English Short Form narrowband model."
+  },
+  {
+    "name": "nl-NL_BroadbandModel",
+    "language": "nl-NL",
+    "url": "https://stream.watsonplatform.net/speech-to-text/api/v1/models/nl-NL_BroadbandModel",
+    "rate": 16000,
+    "supported_features": {
+      "custom_language_model": false,
+      "speaker_labels": false
+    },
+    "description": "Dutch broadband model."
+  },
+  {
+    "name": "nl-NL_NarrowbandModel",
+    "language": "nl-NL",
+    "url": "https://stream.watsonplatform.net/speech-to-text/api/v1/models/nl-NL_NarrowbandModel",
+    "rate": 8000,
+    "supported_features": {
+      "custom_language_model": false,
+      "speaker_labels": true
+    },
+    "description": "Dutch narrowband model."
   }
 ]

public/audio/new_single2-mono.wav

@@ -454,13 +454,23 @@
       "filename": "dutch-duo2-mono.wav",
       "keywords": "bedankt, informatie, gelegenheid",
       "speaker_labels": false
+    },
+    {
+      "filename": "new_single2-mono.wav",
+      "keywords": "optimaliseren, klantervaring, de organisaties",
+      "speaker_labels": false
     }
   ],
   "nl-NL_NarrowbandModel": [
     {
       "filename": "dutch-duo2-mono-NB.wav",
       "keywords": "bedankt, informatie, gelegenheid",
       "speaker_labels": true
+    },
+    {
+      "filename": "new_single2-mono-NB.wav",
+      "keywords": "optimaliseren, klantervaring, de organisaties",
+      "speaker_labels": true
     }
   ]
 }