Update descriptions and readme for weatherClock in apps.json

apps.json

@@ -4680,13 +4680,14 @@
     "id": "weatherClock",
     "name": "Weather Clock",
     "version": "0.01",
-    "description": "A clock which displays current weather conditions.",
+    "description": "A clock which displays current weather conditions (requires Gadgetbridge and Weather apps).",
     "icon": "app.png",
     "screenshots": [{"url":"screens/screenshot1.png"}],
     "type": "clock",
     "tags": "clock, weather",
     "supports": ["BANGLEJS","BANGLEJS2"],
     "allow_emulator": true,
+    "readme": "README.md",
     "storage": [
       {"name":"weatherclk.app.js","url":"app.js"},
       {"name":"weatherclk.img","url":"app-icon.js","evaluate":true}