Rename workflow from Build to Android (#482)

* Rename workflow from Build to Android

* rename file to android.yml

* rename file to android.yml

* run detekt on push to master

* update badge in README

.github/workflows/android.yml

@@ -1,4 +1,4 @@
-name: Build
+name: Android
 
 on:
   pull_request:

.github/workflows/detekt.yml

@@ -4,6 +4,9 @@ on:
   pull_request:
     branches:
       - 'master'
+  push:
+    branches:
+      - 'master'
 
 jobs:
   detekt:

README.md

@@ -1,5 +1,5 @@
 # Stocks Widget
-[![Android](https://github.com/premnirmal/StockTicker/workflows/Build/badge.svg)](https://github.com/premnirmal/StockTicker/actions) [![Unit tests](https://github.com/premnirmal/StockTicker/workflows/Run%20unit%20tests/badge.svg)](https://github.com/premnirmal/StockTicker/actions) [![Detekt](https://github.com/premnirmal/StockTicker/workflows/Detekt/badge.svg)](https://github.com/premnirmal/StockTicker/actions) [![iOS](https://github.com/premnirmal/StockTicker/workflows/iOS/badge.svg)](https://github.com/premnirmal/StockTicker/actions)
+[![Android](https://github.com/premnirmal/StockTicker/workflows/Android/badge.svg)](https://github.com/premnirmal/StockTicker/actions) [![Unit tests](https://github.com/premnirmal/StockTicker/workflows/Run%20unit%20tests/badge.svg)](https://github.com/premnirmal/StockTicker/actions) [![Detekt](https://github.com/premnirmal/StockTicker/workflows/Detekt/badge.svg)](https://github.com/premnirmal/StockTicker/actions) [![iOS](https://github.com/premnirmal/StockTicker/workflows/iOS/badge.svg)](https://github.com/premnirmal/StockTicker/actions)
 
 <a href="https://play.google.com/store/apps/details?id=com.github.premnirmal.tickerwidget" target="_blank">
 <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/7/78/Google_Play_Store_badge_EN.svg/500px-Google_Play_Store_badge_EN.svg.png" alt="Get it on Google Play" height="40"/>