add ci

.github/CODEOWNERS

@@ -0,0 +1,3 @@
+# Docs: https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners
+
+@friedger

.github/workflows/main.yml

@@ -0,0 +1,23 @@
+name: CI
+on: [push]
+jobs:
+  tests:
+    name: 'Test contracts with Clarinet'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: 'Check contracts'
+        uses: docker://hirosystems/clarinet:2.5.1
+        with:
+          args: check --manifest-path=./Clarinet.toml
+      - name: 'Run unit tests'
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20.x'
+      - run: yarn install
+      - run: yarn test
+      - name: 'Export code coverage'
+        uses: codecov/codecov-action@v1
+        with:
+          files: ./coverage.lcov
+          verbose: true