added readme

apps.json

@@ -1440,6 +1440,7 @@
     "icon": "app.png",
     "version":"0.02",
     "description": "Enable HID, connect to your phone, start your camera and trigger the shot on your Bangle",
+    "readme": "README.md",
     "tags": "bluetooth,tool",
     "storage": [
         {"name":"hidcam.app.js","url":"app.js"},

apps/hidcam/README.md

@@ -0,0 +1,18 @@
+# Camera shutter
+
+Control the camera shutter from your phone using your watch
+
+## Usage
+
+1. In settings, enable HID for "Keyboard & Media".  
+2. Pair your watch to your phone.  
+3. Load your camera app on your phone.
+4. There you go, launch the app on your watch and press button 2 to trigger the shutter !
+
+## How does it work ?
+
+The app uses HID to send the key "Vol +", which is a shortcut for camera trigger on Android and iOS.
+
+## Creator
+
+Paul Charlet, using code from HID music app.