added entry in apps.json for Arrow compass, updated README.md file

apps.json

@@ -2892,5 +2892,18 @@
   "storage": [
     {"name":"widcom.wid.js","url":"widget.js"}
   ]
-}
+},
+{ "id": "arrow",
+  "name": "Arrow",
+  "icon": "arrow.png",
+  "type":"app",
+  "version":"0.01",
+  "description": "Moving arrow compass that points North, shows heading, with tilt correction. Based on jeffmer's Navigation Compass",
+  "tags": "tool,outdoors",
+  "readme": "README.md",
+  "storage": [
+    {"name":"arrow.app.js","url":"app.js"},
+    {"name":"arrow.img","url":"icon.js","evaluate":true}
+  ]
+}  
 ]

apps/arrow/README.md

@@ -35,3 +35,7 @@ charge.
 
 *BTN3* - invokes calibration ( can be cancelled if pressed accidentally)
 
+
+## Acknowledgement
+
+This app is based in the work done by [jeffmer](https://github.com/jeffmer/JeffsBangleAppsDev)