Add root endpoint for Space health landing

openenv_wrapper/server/app.py

@@ -16,3 +16,13 @@ app = create_app(
     VarahaObservation,
     env_name="varaha",
 )
+
+
+@app.get("/")
+def root() -> dict[str, str]:
+    return {
+        "name": "Varaha OpenEnv",
+        "status": "ok",
+        "docs": "/docs",
+        "health": "/health",
+    }