Update apps

Author: ThomasFarstrike

app_index.json

@@ -213,6 +213,30 @@
   ]
 }
 
+,{
+"name": "ShowBattery",
+"publisher": "MicroPythonOS",
+"short_description": "Minimal app",
+"long_description": "Demonstrates the simplest app.",
+"icon_url": "https://apps.micropythonos.com/apps/com.micropythonos.helloworld/icons/com.micropythonos.helloworld_0.1.0_64x64.png",
+"download_url": "https://apps.micropythonos.com/apps/com.micropythonos.helloworld/mpks/com.micropythonos.helloworld_0.1.0.mpk",
+"fullname": "com.micropythonos.showbattery",
+"version": "0.1.0",
+"category": "development",
+"activities": [
+    {
+      "entrypoint": "assets/show_battery.py",
+      "classname": "ShowBattery",
+      "intent_filters": [
+        {
+          "action": "main",
+          "category": "launcher"
+        }
+      ]
+    }
+  ]
+}
+
 ,{
 "name": "ShowFonts",
 "publisher": "MicroPythonOS",