Cython setup updated

setup.py

@@ -0,0 +1,14 @@
+from distutils.core import setup, Extension
+from Cython.Build import cythonize
+
+setup(
+    ext_modules = cythonize([
+        "src/qr_detector.py",
+        "src/db_handler.py",
+        "src/webhook_handler.py"
+    ], compiler_directives={
+        'language_level': "3",
+        'boundscheck': False,
+        'wraparound': False
+    })
+)