add ci

.github/workflows/rainix.yaml

@@ -0,0 +1,25 @@
+name: Rainix CI
+on: [push]
+
+concurrency:
+  group: ${{ github.ref }}-rainix
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+jobs:
+  standard-tests:
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        task: [rainframe-test]
+      fail-fast: false
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+          fetch-depth: 0
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v4
+      - uses: DeterminateSystems/magic-nix-cache-action@v2
+      - name: Run ${{ matrix.task }}
+        run: nix develop -c ${{ matrix.task }}

flake.nix

@@ -9,7 +9,16 @@
   outputs = { self, flake-utils, rainix }:
     flake-utils.lib.eachDefaultSystem (system:
       {
-        packages = rainix.packages.${system};
+        packages = rec {
+          rainframe-test = rainix.mkTask.${system} {
+            name = "rainframe-test";
+            body = ''
+              set -euxo pipefail
+              npm i
+            '';
+          };
+
+        } // rainix.packages.${system};
         devShells = rainix.devShells.${system};
       }
     );