feat: implement dual NPM publishing strategy

- Configure semantic-release for @beta and @latest tags
- Main branch publishes to @beta (bleeding edge)
- Stable branch publishes to @latest (production)
- Enable CI/CD workflow for both branches

.github/workflows/release.yaml

@@ -3,6 +3,7 @@ name: Release
   push:
     branches:
       - main
+      - stable
   workflow_dispatch:
     inputs:
       version_type:

.releaserc.json

@@ -1,5 +1,13 @@
 {
-  "branches": ["main"],
+  "branches": [
+    {
+      "name": "main",
+      "prerelease": "beta"
+    },
+    {
+      "name": "stable"
+    }
+  ],
   "plugins": [
     "@semantic-release/commit-analyzer",
     "@semantic-release/release-notes-generator",