adding very basic app

app.py

@@ -1,7 +1,23 @@
 from fastapi import FastAPI
+from src.do_pca_on_tfidf import query_docs
+from src.search_embeddings import sbert_query_docs
+import polars as pl
+
 
 app = FastAPI()
 
 @app.get("/")
-def greet_json():
-    return {"Hello": "World!"}
+def greet_json(query: str):
+    res_tfidf = query_docs(query)
+    res_sbert = query_docs(query)
+
+    joined = res_sbert.join(res_tfidf, on='file', how = 'inner')
+
+    res_combined = joined.with_columns((0.7 * pl.col("rank-sbert") + 0.3 * pl.col("rank-tfidf")).alias("rank-combined")).sort("rank-combined")
+
+    
+
+
+    return {"result": str(res_combined[:10,])}
+
+