Update README.md, THANKS.txt and add toctree in wifi80211.py

Author: BastienTr

README.md

@@ -37,6 +37,9 @@ Available Features
 - Binary Symmetric Channel (BSC)
 - Binary AWGN Channel (BAWGNC)
 
+[Wifi 802.11 Simulation Class](https://github.com/veeresht/CommPy/blob/master/commpy/wifi80211.py)
+- A class to simulate the transmissions and receiving parameters of physical layer 802.11 (currently till VHT (ac))
+
 [Filters](https://github.com/veeresht/CommPy/blob/master/commpy/filters.py)
 -------
 - Rectangular

THANKS.txt

@@ -2,6 +2,7 @@ Please add names as needed so that we can keep up with all the contributors.
 
 Veeresh Taranalli for initial creation and contribution of CommPy.
 Bastien Trotobas for adding some features, bugfixes, maintenance.
+@eSoare for several enhancements including WiFi 802.11 class and code speedups.
 Vladimir Fadeev for bugfixes, addition of convolutional code puncturing and readme explanation of codings.
 Youness Akourim for adding features and fixing some bugs.
 Rey Tucker for python3 compatibility fixes.

commpy/wifi80211.py

@@ -1,3 +1,17 @@
+# Authors: CommPy contributors
+# License: BSD 3-Clause
+
+"""
+============================================
+Wifi 802.11 simulation (:mod:`commpy.wifi80211`)
+============================================
+
+.. autosummary::
+   :toctree: generated/
+
+   Wifi80211    -- Class to simulate the transmissions and receiving parameters of physical layer 802.11
+"""
+
 import math
 from typing import List