From 89a8bc84fd800f4f8a333d180ccb54b3c0e6eb1b Mon Sep 17 00:00:00 2001
From: bracesproul <braceasproul@gmail.com>
Date: Tue, 15 Apr 2025 17:58:45 -0700
Subject: [PATCH] chore: Add CI

---
 .codespellignore         |  0
 .github/workflows/ci.yml | 70 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+)
 create mode 100644 .codespellignore
 create mode 100644 .github/workflows/ci.yml

diff --git a/.codespellignore b/.codespellignore
new file mode 100644
index 00000000..e69de29b
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 00000000..ea36db11
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,70 @@
+# Run formatting on all PRs
+
+name: CI
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+  workflow_dispatch: # Allows triggering the workflow manually in GitHub UI
+
+# If another push to the same PR or branch happens while this workflow is still running,
+# cancel the earlier run in favor of the next run.
+#
+# There's no point in testing an outdated version of the code. GitHub only allows
+# a limited number of job runners to be active at the same time, so it's better to cancel
+# pointless jobs early so that more useful jobs can run sooner.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  format:
+    name: Check formatting
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js 18.x
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18.x
+          cache: "yarn"
+      - name: Install dependencies
+        run: yarn install --immutable --mode=skip-build
+      - name: Check formatting
+        run: yarn format:check
+
+  lint:
+    name: Check linting
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js 18.x
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18.x
+          cache: "yarn"
+      - name: Install dependencies
+        run: yarn install --immutable --mode=skip-build
+      - name: Check linting
+        run: yarn run lint
+
+  readme-spelling:
+    name: Check README spelling
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: codespell-project/actions-codespell@v2
+        with:
+          ignore_words_file: .codespellignore
+          path: README.md
+
+  check-spelling:
+    name: Check code spelling
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: codespell-project/actions-codespell@v2
+        with:
+          ignore_words_file: .codespellignore
+          path: apps/src