feat: upd file structure, models, dao, services, cli and add guest mode

feat(service): upd branchService and add repoFileService

feat(dao): upd RepoDAO and add RepoFileDAO

feat(cli): upd RepoCLI and add RepoFileCLI

feat(cli): add BranchCLI and upd RepoCLI

feat(dao): add BranchDAO

feat(model): add PR, branch, Clone, Collaborator etc models

feat(service): add branchService and upd Auth and User service

feat(validator): add validators

feat(service): upd repo and commit services

feat(service): add user services

feat(service): upd signup

feat(model): upd models entities

feat(dao): add and fix dao

feat(cli): add profile and commit cli and upd repo cli