diff --git a/.github/workflows/section-repos.yml b/.github/workflows/section-repos.yml
index 9802d04..81f5e36 100644
--- a/.github/workflows/section-repos.yml
+++ b/.github/workflows/section-repos.yml
@@ -4,6 +4,10 @@ on:
     branches:
       - "main"
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run:
     runs-on: ubuntu-latest
diff --git a/.gitignore b/.gitignore
index 31ff39b..e3f3945 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,2 @@
 node_modules
-.vscode/*.code-snippets
-tsconfig.temp.json
-*.prompt.*
-dist
-*.tsbuildinfo
-.twoslash-lint
-out
\ No newline at end of file
+tsconfig.temp.json
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 1df831d..b6621bd 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -3,14 +3,6 @@
   "typescript.enablePromptUseWorkspaceTsdk": true,
   "github.copilot.enable": {
     "*": false,
-    "plaintext": false,
-    "markdown": true,
-    "scminput": false
   },
-  "markdownlint.config": {
-    "default": false,
-    "MD001": true,
-    "MD022": true,
-    "MD038": true
-  }
+  "explorer.sortOrder": "mixed",
 }
\ No newline at end of file
diff --git a/out b/out
new file mode 160000
index 0000000..1d75ed5
--- /dev/null
+++ b/out
@@ -0,0 +1 @@
+Subproject commit 1d75ed5609335588a83fdd8fb2f1a18472199a1d
diff --git a/renovate.json b/renovate.json
index a9a7f86..29b50a8 100644
--- a/renovate.json
+++ b/renovate.json
@@ -7,7 +7,13 @@
       "excludePackagePatterns": [
         "typescript",
         "vitest",
-        "@total-typescript/exercise-cli"
+        "jsdom",
+        "prettier",
+        "vite-tsconfig-paths",
+        "react",
+        "@types/react",
+        "@total-typescript/exercise-cli",
+        "zod"
       ],
       "enabled": false
     }
diff --git a/vite.config.mts b/vite.config.mts
new file mode 100644
index 0000000..c5cfc0c
--- /dev/null
+++ b/vite.config.mts
@@ -0,0 +1,11 @@
+import { defineConfig } from "vitest/config";
+import tsconfigPaths from "vite-tsconfig-paths";
+
+export default defineConfig({
+  test: {
+    include: ["src/**/*{problem,solution,explainer}*.{ts,tsx}"],
+    passWithNoTests: true,
+    environment: "jsdom",
+  },
+  plugins: [tsconfigPaths()],
+});