add ci workflows

.github/workflows/ci.yaml

@@ -0,0 +1,44 @@
+name: CI
+on:
+  pull_request:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [14.15.1]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: ./script/build.sh
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [14.15.1]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: ./script/lint.sh
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [14.15.1]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: ./script/test.sh

.nvmrc

@@ -0,0 +1 @@
+14.15.1

script/build.sh

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+#!/usr/bin/env bash
+
+set -e
+
+yarn install --frozen-lockfile
+yarn build

script/lint.sh

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+#!/usr/bin/env bash
+
+set -e
+
+yarn install --frozen-lockfile
+yarn lint

script/test.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+set -e
+
+yarn install --frozen-lockfile
+yarn test