Added support for fuzzy searching issues and pulls
- support for `/issues` and `/pulls` were ported from [`gitea#be5be0ac81`](https://github.com/go-gitea/gitea/commit/be5be0ac81ce50ad5adb079af6ca4e8c396aaece)
- support for `/user/repo/issues` and `/user/repo/pulls` were added
