Create working PoC of /sonos endpoint

app/src/main/res/raw/file.lua

@@ -1,17 +1,16 @@
 return {
-    uri = "/{format}",
-    method = Method.POST,
-    accepts = Mime.JSON,
+    uri = "/tts.{ext}",
+    method = Method.GET,
     consumer = function(request)
-        local body = json.decode(request.body)
-        local format = (request.params.format or "WAV"):upper()
+        local format = (request.path.ext or "wav"):upper()
         local audioFormat = AudioFormat[format]
         local mime = Mime[format]
 
-        local file = tts.sayToFile(body.text, body.language or "en", audioFormat)
+        local file = tts.sayToFile(request.query.phrase, request.query.lang or "en", audioFormat)
 
         return {
             mime = mime,
+            cached = false,
             data = file
         }
     end