Remove hard extensions and platforms

[0xGhazy]

SUPPORTED_PLATFORMS = ["facebook", "codeforces", "github",
                       "gmail", "hackerranck", "medium",
                       "outlook", "quora", "twitter",
                       "udacity", "udemy", "university", "wordpress", "lol", "stack overflow", "linkedin"]

SUPPORTED_FILES_FORMATS = ["7z", "cpp", "c", "cs", "css", "xlsx", "exe", "flv", "html",
                           "ai", "java", "js", "jpg", "mp3", "mp4", "pdf", "php",
                           "png", "pptx", "psd", "py", "word", "rar", "txt", "sql"]

Remove this from the application to the database and/or configuration file.