chore: add github workflows for testing and publishing

Author: kapowaz

.github/workflows/publish.yml

@@ -0,0 +1,24 @@
+name: Publish Package to npmjs
+on:
+  release:
+    types: [published]
+jobs:
+  build:
+    environment: publish
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+    steps:
+      - uses: actions/checkout@v5
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      # Setup .npmrc file to publish to npm
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "24.10"
+          registry-url: "https://registry.npmjs.org"
+      - run: yarn install
+      - run: yarn publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/test.yml

@@ -0,0 +1,31 @@
+name: Test pull request
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  test:
+    permissions:
+      contents: read
+    name: Run tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Test using Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: ".nvmrc"
+
+      - name: Install dependencies
+        uses: yarn install
+
+      - name: Lint library
+        run: yarn lint
+
+      - name: Test library
+        run: yarn test
+
+      - name: Typecheck library
+        run: yarn typecheck