added fastapi

server/main.py

@@ -0,0 +1,14 @@
+from typing import Optional
+from fastapi import FastAPI
+from mesh_diff import compare_meshes
+
+app = FastAPI()
+
+
+@app.get("/")
+def read_root():
+    return {"Hello": "World"}
+
+@app.get("/diff/{stream_id}/{commit_current}/{commit_previous}")
+def get_diff(stream_id: str, commit_current: str, commit_previous: str, q: Optional[str] = None):
+    return compare_meshes(stream_id, commit_current, commit_previous)