adding icons to side bar

[sabhansali]

Description

the addition of icons creates a uniformity in structure and looks aesthetically pleasing

Fixes: #606

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] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings

ATTACH SCREEN-SHOTS / DEPLOYMENT LINK

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