Add build and publish (#4)

Does what it says on the tin, adding automation to publish a new
version.

Author: Cellivar

.github/workflows/build_npm.yml

@@ -0,0 +1,26 @@
+name: Build
+
+permissions:
+  issues: write
+  pull-requests: write
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - run: npm ci --ignore-scripts
+      - name: 'Test'
+        run: npx vitest --coverage.enabled true
+      - name: 'Report Coverage'
+        if: ${{ !cancelled() }}
+        uses: davelosert/vitest-coverage-report-action@v2

.github/workflows/publish_npm.yml

@@ -0,0 +1,22 @@
+name: Publish Package to npmjs
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    environment: publish
+    steps:
+      - uses: actions/checkout@v4
+      # Setup .npmrc file to publish to npm
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          registry-url: 'https://registry.npmjs.org'
+      - run: npm ci --ignore-scripts
+      - run: npm run build
+      - run: npm publish --ignore-scripts
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.gitignore

@@ -2,4 +2,3 @@ coverage/
 dist/
 node_modules/
 tsconfig.tsbuildinfo
-package-lock.json