adding in board eval

Main.py

@@ -1,6 +1,27 @@
 import streamlit as st
 from model import GeneralModel
-
+import os
+import chess
+import chess.engine
+import stat
+
+def eval(fenstring):
+    output = ""
+    os.chmod("./stockfish_14_x64_popcnt",0o0777)
+    engine = chess.engine.SimpleEngine.popen_uci("./stockfish_14_x64_popcnt")
+
+   
+    # Score: PovScore(Cp(+20), WHITE)
+
+    board = chess.Board(fenstring)
+    
+    info = engine.analyse(board, chess.engine.Limit(depth=20),multipv=3)
+    
+    
+    # Score: PovScore(Mate(+1), WHITE)
+    
+    engine.quit()
+    return info
 
 def app():