Add Content: Plot Basics and Basic Functions of Matplotlib

[kskeertana]

Hello @animator I am a contributor in GSSOC,
I would like to contribute content on the basics of plotting and the basic functions of the Matplotlib library. This content will be added under the "Plotting & Visualization" section.

Content Outline

1. Introduction to Matplotlib:
   Overview of Matplotlib
   Installation and setup
   Basic usage and structure of a Matplotlib plot
2. Basic Plotting Functions:
   Creating Line Charts
   Creating Scatter Plots
   Creating Bar Charts
   Creating Histograms
3. Customising Plots:
   Customising markers, colours, and line styles
   Adding titles and labels (title, xlabel, ylabel)