API call if username is not empty by user input

Merge pull request #30 from nur-shuvo/video-solutions

Add Neetcode playlist blind 75

Merge pull request #27 from nur-shuvo/widget

Add widget of leetcode daily problem

Merge pull request #24 from nur-shuvo/webview-integration

Fix UI state loss in Weekly goal screen

Merge pull request #21 from nur-shuvo/recent-ac-fix

Show a text if no recent ac, same start and end padding