Update README.md

README.md

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-# Virtual-Keyboard
+# Virtual-Keyboard
+This is a Virtual KeyBoard which can track finger movements and lets you type anywhere ranging from notepad to even web browsers.
+
+It tracks the hand and you can type by hovering over a button and bringing the following two fingers close.
+![InkedmhJ2yWNwMtNcmijZqVEDDW_LI](https://user-images.githubusercontent.com/90050088/135318209-5a65f39d-ae2a-4582-9aca-66215c899b28.jpg)
+
+
+## Modules needed to install
+- `pip install cvzone`
+- `pip install opencv-python`
+- `pip install pynput`
+
+## Features:
+- Easy to use.
+- Can be used anywhere.
+- Simple to use and understand