ci: add GH action workflow for releasing to GH

.github/workflows/release.yml

@@ -0,0 +1,29 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - master
+jobs: 
+  release:
+    name: 'Release to GitHub'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v2
+      - name: Setup Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: 14
+      - name: Add plugin for conventional commits
+        run: npm install conventional-changelog-conventionalcommits@5.0.0
+        working-directory: ./.github/workflows
+      - name: Release to GitHub
+        working-directory: ./.github/workflows
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+          GIT_AUTHOR_NAME: asyncapi-bot
+          GIT_AUTHOR_EMAIL: info@asyncapi.io
+          GIT_COMMITTER_NAME: asyncapi-bot
+          GIT_COMMITTER_EMAIL: info@asyncapi.io
+        run: npx semantic-release@19.0.4

.releaserc

@@ -0,0 +1,21 @@
+---
+branches:
+- master
+# by default release workflow reacts on push not only to master. 
+#This is why out of the box sematic release is configured for all these branches
+- name: next-spec
+  prerelease: true
+- name: next-major
+  prerelease: true
+- name: next-major-spec
+  prerelease: true
+- name: beta
+  prerelease: true
+- name: alpha
+  prerelease: true
+plugins:
+- - "@semantic-release/commit-analyzer"
+  - preset: conventionalcommits
+- - "@semantic-release/release-notes-generator"
+  - preset: conventionalcommits
+- "@semantic-release/github"