Refactor STT architecture

internal/service/templates/static/footer/compose.gohtml

@@ -19,6 +19,15 @@
       </button>
       <input type="file" id="file-input" multiple hidden />
       <div class="compose__actions-right">
+        <button
+          type="button"
+          class="compose__action-btn"
+          id="transcribe"
+          aria-label="Transcribe to text"
+          title="Record and transcribe (does not send)"
+        >
+          <svg class="icon"><use href="/static/icons.svg#dictate"></use></svg>
+        </button>
         <button
           type="button"
           class="compose__action-btn compose__action-btn--record"

internal/service/templates/static/head.gohtml

@@ -5,6 +5,7 @@
     <meta name="viewport"
           content="width=device-width, initial-scale=1.0, shrink-to-fit=no, interactive-widget=resizes-content">
     <meta name="tts-url" content="{{ .TTSURL }}">
+    <meta name="stt-url" content="{{ .STTURL }}">
     <meta name="tts-default-voice" content="{{ .TTSDefaultVoice }}">
     <title>Odidere</title>
     <link rel="stylesheet" href="/static/main.css">