Improve README structure and content (Fixes #3)#149

ShaikAfreed098 wants to merge 1 commit intokaiwalyakoparkar:mainkaiwalyakoparkar/Data-Structures-And-Algorithm-Interview-Kit:mainfrom

ShaikAfreed098:structured-readmeShaikAfreed098/Data-Structures-And-Algorithm-Interview-Kit:structured-readmeCopy head branch name to clipboard