added Action metadata

action.yml

@@ -0,0 +1,31 @@
+name: 'Code Coverage Summary'
+author: 'Irongut <murray.dave@outlook.com>'
+description: 'A GitHub Action that reads Cobertura format code coverage files and outputs a summary.'
+branding:
+  icon: book-open
+  color: purple
+inputs:
+  filename:
+    description: 'Code coverage file to analyse.'
+    required: true
+    default: ''
+  badge:
+    description: 'Include a badge in the output - true / false (default).'
+    required: false
+  format:
+    description: 'Output Format - markdown or text (default).'
+    required: false
+  output:
+    description: 'Output Type - console (default), file or both.'
+    required: false
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+    - ${{ inputs.filename }}
+    - '--badge'
+    - ${{ inputs.badge }}
+    - '--format'
+    - ${{ inputs.format }}
+    - '--output'
+    - ${{ inputs.output }}