jigasi,web: add transcription options

web/rootfs/etc/cont-init.d/10-config

@@ -78,9 +78,24 @@ if [[ ! -f /config/config.js ]]; then
             -e "/enableWelcomePage/a\    etherpad_base: '/etherpad/p/'," \
             /config/config.js
     fi
+
+    if [[ $ENABLE_TRANSCRIPTIONS -eq 1 || "$ENABLE_TRANSCRIPTIONS" == "true" ]]; then
+        sed -i \
+             -e "s#// transcribingEnabled:.*#transcribingEnabled: true,#" \
+             /config/config.js
+    fi
 fi
 
 if [[ ! -f /config/interface_config.js ]]; then
     cp /defaults/interface_config.js /config/interface_config.js
+
+    # It will remove parameter 'closedcaptions' from TOOLBAR_BUTTONS if ENABLE_TRANSCRIPTIONS is false,
+    # because it enabled by default, but not supported out of the box.
+    if [[ $ENABLE_TRANSCRIPTIONS -ne 1 || "$ENABLE_TRANSCRIPTIONS" != "true" ]]; then
+        sed -i \
+            -e "s#'closedcaptions', ##" \
+            /config/interface_config.js
+    fi
+
 fi