Commit action code to new repository

.gitignore

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+.idea
+node_modules
+.DS_Store

README.md

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+# Merge Branch
+Automate merging of a source branch into a target branch.
+
+## Usage
+
+```yaml
+on:
+  push:
+    branches:
+      - "release/*"
+jobs:
+  merge-branch:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: everlytic/merge-branch
+        with:
+          github_token: ${{ github.token }}
+          source_ref: ${{ github.ref }}
+          target_branch: 'master'
+```

action.yml

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+name: 'Merge Branch'
+description: 'Merges a source branch into a target branch'
+inputs:
+  github_token:
+    description: 'Token to authenticate with GitHub'
+    required: true
+    default: ${{ secrets.GITHUB_TOKEN }}
+  source_ref:
+    description: 'Branch or SHA1 ref that you are merging into the target_branch.'
+    required: true
+    default: ${{ github.ref }}
+  target_branch:
+    description: 'Branch you are merging into'
+    required: true
+runs:
+  using: 'node12'
+  main: 'dist/index.js'
+branding:
+  icon: git-merge
+  color: green