chore: add github actions setup (#712)

Setup GitHub actions to build and test the package

Author: quantizor

Diff for: .github/workflows/build.yml

@@ -0,0 +1,33 @@
+name: ci
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: hmarr/debug-action@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          cache: yarn
+          node-version-file: '.nvmrc'
+      - name: Install packages
+        run: yarn --immutable
+      - name: Build library
+        run: yarn build
+  unit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: hmarr/debug-action@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          cache: yarn
+          node-version-file: '.nvmrc'
+      - name: Install packages
+        run: yarn --immutable
+      - name: Jest
+        run: yarn test

Diff for: .nvmrc

@@ -0,0 +1 @@
+v14