Update README.md

Author: tirthajyoti

README.md

@@ -18,6 +18,11 @@
 * **MatplotLib (`pip install matplotlib`)**
 * **Seaborn (`pip install seaborn`)**
 * **Sympy (`pip install sympy`)**
+* **Flask (`pip install flask`)**
+* **WTForms (`pip install wtforms`)**
+* **Tensorflow (`pip install tensorflow`)**
+* **Keras (`pip install keras`)**
+
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 You can start with this article that I wrote in Heartbeat magazine (on Medium platform):