feat: Add semantic-release and add semantic commit feature. (casbin#44)

* fix: add semantic commit title.

* feat: add semantic release.

* feat: add semantic-release badge.

* feat: add code quality action.

Author: divy9881

.github/semantic.yml

@@ -0,0 +1,2 @@
+# Always validate the PR titles and the commits messages
+titleAndCommits: true

.github/workflows/release.yml

@@ -0,0 +1,24 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  semantic-release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Run semantic-release
+        if: github.repository == 'divy9881/casbin-cpp' && github.event_name == 'push'
+        run: |
+          export PATH="$(yarn global bin):$PATH"
+          yarn global add semantic-release
+          semantic-release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.releaserc.json

@@ -0,0 +1,13 @@
+{
+    "debug": true,
+    "release": {
+      "branches": [
+        "master"
+      ]
+    },
+    "plugins": [
+      "@semantic-release/commit-analyzer",
+      "@semantic-release/release-notes-generator",
+      "@semantic-release/github"
+    ]
+  }

README.md

@@ -2,6 +2,7 @@ Casbin-CPP
 ====
 
 [![Build Status](https://dev.azure.com/Casbin/casbin/_apis/build/status/casbin.casbin-cpp?branchName=master)](https://dev.azure.com/Casbin/casbin/_build?definitionId=2&branchName=master)
+[![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release)
 [![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/casbin/lobby)
 
 **News**: Are you still worried about how to write the correct Casbin policy? ``Casbin online editor`` is coming to help! Try it at: http://casbin.org/editor/

lgtm.yml

@@ -0,0 +1,10 @@
+path_classifiers:
+  library:
+    - casbin
+  test: 
+    - test
+  docs:
+    - README.md
+    - LICENSE.txt
+extraction:
+  cpp: