rfac: added installation of chrome in dockerfile.backend

feat: frontend initialized

rfac: dockerignore for backend

rfac: removed templates

feat: contributing.md

feat: Readme.md

feat: docker and license

feat: env.example

feat: getContests interviewbit api

rfac: interviewbit routes

feat: getUser, getUserSubmission interviewbit api's

feat: get_user_submissions interviewbit

feat: get_user_info interviewbit

feat: leetcode getUser and getSubmissions api

feat: leetcode userInfo and submission

rfac: gitignore

feat: getsubmissions codeshef

feat: codeshef api getContests

rfac: get_user_info codeforces

feat: codeshef api getUserInfo

feat: codeforces getSubmission and getContests api

feat: codeforces userInfo api

rfac: gitignore