v0.2.0

Changelog

ad3f6bf breaking-change(rdb): update gorm v2 (#47)
3893f58 chore: change default threshold in fetch githubrepos (#56)
36b7f56 feat(redis): add expire option (#55)
eb8625d feat(fetch): delete --deep option (#51)
093e102 feat(github): update fetch githubrepos (#50)
79c6cb4 feat(exploitdb): add the information of exploitdb-papers (#52)
e5081ca feat(rdb): add a note that deleting old records is time consuming (#54)
dfd947e fix(fetch): fix typo in delete OffensiveSecurity (#53)
ace20b8 feat(db): delete only records that match the ExploitType to be fetched (#48)
7c39792 fix(models): fill in OffensiveSecurityTime (#49)
aab5776 fix volumes (#46)