DOC: Update incorrect git clone to API instead of web
DOC: Update incorrect git clone to API instead of web

final-year-project/doubtfire-api,alexcu/doubtfire-api,doubtfire-lms/doubtfire-api,final-year-project/doubtfire-api,doubtfire-lms/doubtfire-api,alexcu/doubtfire-api,jakerenzella/doubtfire-api,alexcu/doubtfire-api,alexcu/doubtfire-api,doubtfire-lms/doubtfire-api,doubtfire-lms/doubtfire-api,alexcu/doubtfire-api,doubtfire-lms/doubtfire-api,jakerenzella/doubtfire-api,jakerenzella/doubtfire-api,final-year-project/doubtfire-api,jakerenzella/doubtfire-api,doubtfire-lms/doubtfire-api,final-year-project/doubtfire-api,jakerenzella/doubtfire-api,jakerenzella/doubtfire-api,final-year-project/doubtfire-api,jakerenzella/doubtfire-api,alexcu/doubtfire-api,doubtfire-lms/doubtfire-api