Added webm content type

Anwesha Naskar · Anwesha Naskar · commit 9a81c798bd0e · 2017-10-24T11:50:55.000-04:00
diff --git a/speech-to-text/content-type.js b/speech-to-text/content-type.js
@@ -12,7 +12,8 @@ var headerContentTypes = {
   fLaC: 'audio/flac',
   RIFF: 'audio/wav',
   OggS: 'audio/ogg',
-  ID3: 'audio/mp3'
+  ID3: 'audio/mp3',
+  '\u001aEߣ': 'audio/webm' // String for first four hex's of webm: [1A][45][DF][A3] (https://www.matroska.org/technical/specs/index.html#EBML)
 };
 
 /**
