Add semantic-release git plugin to automatically commit version updates

Author: hlxid

.releaserc

@@ -1,5 +1,15 @@
 {
     "branches": [
         "master"
+    ],
+    "plugins": [
+        "@semantic-release/commit-analyzer",
+        "@semantic-release/release-notes-generator",
+        "@semantic-release/npm",
+        ["@semantic-release/git", {
+          "assets": ["package.json", "package-lock.json"],
+          "message": "chore(release): Release ${nextRelease.version}\n\n${nextRelease.notes}"
+        }],
+        "@semantic-release/github"
     ]
 }