Doc: Update notes file structure by adding new notes

Author: GitauHarrison

Diff for: README.md

@@ -4,6 +4,9 @@ This repository holds all the notes of the things I have learnt. Anyone else can
 
 ## Flask-focused Articles
 - [Getting started with Flask](https://github.com/GitauHarrison/getting-started-with-flask)
+
+    ### Tailwind CSS in Flask
+    - [Getting Started](/tailwindcss/getting_started_tailwindcss.md/)
 1. [How to deploy to Heroku](deploy_to_heroku.md)
 2. [How to use GitHub SSH](github_ssh.md)
 3. [How to Set up `elasticsearch`](how_to_set_up_elasticsearch.md)
@@ -62,10 +65,15 @@ This repository holds all the notes of the things I have learnt. Anyone else can
 - [Getting started with the Windows Subsystem for Linux](non_technical_articles/wsl.md)
 - [Integer conversion to binary using Python](non_technical_articles/convert_integers_to_binary_using_python.md)
 
-    #### Africa's Talking API
+    ### Africa's Talking API
 
     - [Airtime API](/africas_talking/at_airtime.md)
 
+    ### MPesa
+
+    - [Lipa Na MPesa API](/mpesa/lipa_na_mpesa.md)
+
+
 ## Flask Demo Projects
 
 The [flask articles above](#flask-focused-articles) are great, though I think that seeing demos of the projects which integrate the concepts is a good way to learn. Check a few below:

Diff for: images/mpesa/lipa_na_mpesa/mpesa.png

@@ -0,0 +1,3 @@
+# Lipa Na Mpesa API
+
+![Safaricom Developer](/images/mpesa/lipa_na_mpesa/mpesa.png)

Diff for: images/tailwindcss/getting_started/tailwindcss.png

@@ -0,0 +1,4 @@
+# Getting Started With Tailwind CSS
+
+![Tailwindcss](/images/tailwindcss/getting_started/tailwindcss.png)
+