tinqs/ci — composite actions + Lambda dispatcher for Spot CI runners

Actions: checkout, setup-go, setup-node, setup-aws
Dispatcher: Lambda → EC2 Spot (ephemeral, self-terminating)
Images: base, go, node, docker, deploy, godot

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

setup-node/README.md

@@ -0,0 +1,27 @@
+# tinqs/ci/setup-node
+
+Installs Node.js and optionally pnpm.
+
+Detects Alpine vs Debian and uses the right package manager (`apk` or NodeSource). Skips installation if the correct major version is already present in the runner image.
+
+## Usage
+
+```yaml
+- uses: tinqs/ci/setup-node@v1
+```
+
+### Options
+
+```yaml
+- uses: tinqs/ci/setup-node@v1
+  with:
+    node-version: '22'    # default: 22
+    pnpm: 'true'          # default: true
+```
+
+## Inputs
+
+| Input | Default | Description |
+|-------|---------|-------------|
+| `node-version` | `22` | Node.js major version |
+| `pnpm` | `true` | Install pnpm globally |