Added readme and icon

README.md

@@ -0,0 +1,61 @@
+# Maven GAV (groupId, artifactId, version) Extractor *GitHub Action*
+
+This action extracts from `pom.xml` GAV info, i.e.:
+ 
+ * `groupId`
+ * `artifactId`
+ * `version`
+
+Why should I need this? For example, to **name** and **tag** a Docker image built upon your artifact
+
+## Prerequirements
+
+This action expects you to have `maven` available in your workflow environment
+
+## Inputs
+
+### `pom-location`
+
+**Required** Full path to your project `pom.xml` file. Default value is POM in your project root: `${{ github.workspace }}/pom.xml`
+
+## Outputs
+
+### `group-id`
+
+Group Id of your project
+
+### `artifact-id`
+
+Artifact Id of your project
+
+### `version`
+
+Version of your project
+
+## Example usage
+
+```
+name: Sample workflow
+
+on: [push]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: Should extract GAV
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK 11
+      uses: actions/setup-java@v1
+      with:
+        java-version: 11
+    - name: Extract GAV
+      id: extract
+      uses: andreacomo/maven-gav-extractor-github-action@v1
+    - name: Log GAV
+      run: |
+        echo ${{ steps.extract.outputs.group-id }}
+        echo ${{ steps.extract.outputs.artifact-id }}
+        echo ${{ steps.extract.outputs.version }}
+      shell: bash
+```

action.yml

@@ -1,5 +1,8 @@
 name: 'Maven GAV Extractor'
 description: 'Extract Maven grouoId, artifactId and version from pom.xml'
+branding:
+  icon: 'bar-chart-2'  
+  color: 'orange'
 inputs:
   pom-location:
     description: 'Full path to pom.xml file'