initial structure implemented

docs -> _docs

main.py

@@ -0,0 +1,17 @@
+from fastapi import FastAPI
+
+from api import router
+
+app = FastAPI(
+    title="GPS-Denied Desktop",
+    description="GPS-denied UAV localization system",
+    version="0.1.0",
+)
+
+app.include_router(router, prefix="/api/v1")
+
+
+@app.get("/health")
+async def health_check():
+    return {"status": "healthy"}
+