adding necessary files

ReactTool/backend/Pipfile

@@ -0,0 +1,24 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+flask = "*"
+numpy = "*"
+pandas = "*"
+python-dotenv = "*"
+scipy = "*"
+matplotlib = "*"
+gunicorn = "*"
+flask-mysql = "*"
+mysql-connector-python = "*"
+flask-session = "*"
+flask-cors = "*"
+redis = "*"
+werkzeug = "*"
+
+[dev-packages]
+
+[requires]
+python_version = "3.9"