CI: Implement semantic versioning (#601)

* Semantic versioning

* Access env variable correctly

* Invoke semantic release

* Not an npm package

* fix(pencil): Testing making a patch release

* c: support feature and breaking as tags

.releaserc.yml

@@ -0,0 +1,13 @@
+{
+    "plugins": [
+      ["@semantic-release/commit-analyzer", {
+        "preset": "angular",
+        "releaseRules": [
+          {"type": "breaking", "release": "major"},
+          {"type": "feature", "release": "minor"},
+        ]
+      }],
+      '@semantic-release/release-notes-generator', 
+      '@semantic-release/github'
+    ]
+}

appveyor.yml

@@ -33,14 +33,8 @@ artifacts:
 
 image: Visual Studio 2017
 
+before_deploy:
+  - npm install -g semantic-release@15
 
-deploy:
-  description: 'This is a bleeding edge release. BACKUP BEFORE USING THIS AUTOMATED BUILD\n$(APPVEYOR_REPO_COMMIT_MESSAGE)'
-  provider: GitHub
-  auth_token:
-    secure: G42snf8s5fEos7UfoRSW6eW+8rqGGMH3iw1ZCjRUjcUSKupHUfrKJMXQ11wbjRuW # your encrypted token from GitHub
-  artifact: Mirror.zip            # upload all NuGet packages to release assets
-  draft: false
-  prerelease: false
-  on:
-    branch: master
+deploy_script:
+  - semantic-release