Add Github action for creating release

.github/workflows/main.yml

@@ -0,0 +1,38 @@
+# This is a basic workflow to help you get started with Actions
+
+name: CI
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  workflow_dispatch:
+    inputs:
+      release_name:
+        description: 'Name of the release'
+        required: true
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+    # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+    - uses: actions/checkout@v2
+
+    # Runs a set of commands using the runners shell
+    - name: Create release zip
+      run: |
+        zip -r "/tmp/formemailer.zip" "${GITHUB_WORKSPACE}/formemailer"
+
+    - name: Create a Release
+      uses: softprops/action-gh-release@v0.1.5
+      with:
+        # Gives the release a custom name. Defaults to tag name
+        name: "${{github.event.inputs.release_name}}"
+        # Newline-delimited list of path globs for asset files to upload
+        files: |
+          /tmp/formemailer.zip