Making code compatible enough for non-image datasets

[rubyruins]

Description:

Initialises a class for basic exploratory steps with non image files (csv).

from flow2ml import Process_Csv
df = pd.read_csv('./Tips.csv')
x = Process_Csv(df)

Type of change:

• [x] New feature (non-breaking change which adds functionality)

Checklist:

• [x] My code follows the style guidelines of this project.
• [x] I have performed a self-review of my own code.
• [x] I have commented my code, particularly in hard-to-understand areas.
• [x] My changes generate no new warnings.

[chebroluharika]

@rubyruins add this code in sample code section in Readme with proper comments

[rubyruins]

@chebroluharika done