Fix file naming inconsistencies in metadata.json for Dark Mode, Modern UI, and Watch Dogs themes

Author: emericklaw

repositories/BruceDevices/App-Store-Apps/Dark Mode 240x135/metadata.json

@@ -23,7 +23,7 @@
     "interpreter.png",
     "ir.png",
     "nrf.png",
-    "other.png",
+    "others.png",
     "rf.png",
     "rfid.png",
     "wifi.png"

repositories/BruceDevices/App-Store-Apps/Modern UI 240x135/metadata.json

@@ -23,7 +23,7 @@
     "interpreter.png",
     "ir.png",
     "nrf.png",
-    "others.png",
+    "other.png",
     "rf.png",
     "rfid.png",
     "wifi.png"

repositories/BruceDevices/App-Store-Apps/Watch Dogs 320x170/metadata.json

@@ -10,7 +10,7 @@
   "path": "/Themes/Watch Dogs 320x170/",
   "files": [
     {
-      "source": "Watch Dogs.json",
+      "source": "WD.json",
       "destination": "Watch Dogs.json"
     },
     "BLE.png",