add nostromo project json

nostromo.project.json

@@ -0,0 +1,19 @@
+{
+  "schemaVersion": 1,
+  "slug": "cpp_playground",
+  "title": "CPP Playground",
+  "description": "A playground for learning, experimenting, and honing skills in C++ programming.",
+  "tags": ["C++"],
+  "repo": {
+    "visibility": "public",
+    "url": "https://git.wieerwill.dev/wieerwill/cpp_playground"
+  },
+  "site": {
+    "published": true,
+    "featured": false
+  },
+  "readme": {
+    "path": "README.md",
+    "excerptMode": "first-paragraph"
+  }
+}