feat: initial v3 rewrite

nix/repo/ci.nix

@@ -0,0 +1,45 @@
+{inputs, ...}: let
+  inherit (inputs) cilib;
+in
+  cilib.mkCI {
+    pipelines."default" = {
+      stages = ["test" "build" "deploy"];
+      jobs = {
+        "test" = {
+          stage = "test";
+          script = [
+            "nix run .#tests -- --junit=junit.xml"
+          ];
+          allow_failure = true;
+          artifacts = {
+            when = "always";
+            reports.junit = "junit.xml";
+          };
+        };
+        "docs" = {
+          stage = "build";
+          script = [
+            # sh
+            ''
+              nix build .#docs:default
+              mkdir -p public
+              cp -r result/. public/
+            ''
+          ];
+          artifacts.paths = ["public"];
+        };
+        "pages" = {
+          nix.enable = false;
+          image = "alpine:latest";
+          stage = "deploy";
+          script = ["true"];
+          artifacts.paths = ["public"];
+          rules = [
+            {
+              "if" = "$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH";
+            }
+          ];
+        };
+      };
+    };
+  }