Maintaining a11y

[jugshaurya]

Issue main aim:

• Accessibility plays a vital role in today's modern web world. Some a11y rules were broken
• hence require fixing.

**Problems in the webapp **

• a11y/alt-txt
• a11y/accessible-emoji

one security concern

• react/jsx-no-target-blank

Solution

• adding span with role "img"
• adding alt attribute to img tags
• adding rel="noopener noreferrer"

[Uyadav207]

@jugshaurya already made a PR buddy. #47