Add addon check action (#1)

Add addon check action

Author: razzeee

.github/workflows/addon-check.yml

@@ -0,0 +1,16 @@
+name: Kodi Addon-Check
+
+on: [push]
+
+jobs:
+  kodi-addon-checker:
+    runs-on: ubuntu-latest
+    name: Kodi addon checker
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v1
+    - name: Kodi addon checker validation
+      id: kodi-addon-checker
+      uses: xbmc/action-kodi-addon-checker@v1.0
+      with:
+        kodi-version: matrix

addon.xml

@@ -11,5 +11,8 @@
         <platform>all</platform>
         <license>GPLv3</license>
         <source>https://github.com/phate89/tvdbsimple</source>
+        <assets>
+            <icon>icon.png</icon>
+        </assets>
     </extension>
 </addon>