Gita

new features
- Add options to `gita add` to skip submodule/worktree repos 204

bug fixes
- replace `open(fname, 'w').close()` by `Path().write_text()` to generate empty file
- fix repo rename bug: group file is not updated 207

refactor
- deprecate main repo mechanism 186

new features
- add `--dry-run` (or `-n`) option for `gita super` and `gita shell`
- add `gita add -g` option to add new repos to a group 198
- add `gita color reset` 189

bug fixes

- fix traceback in `gita shell <group> <commands>` and `gita super <group> <commands>` 193
- fix traceback in `gita shell` and `gita super` when no command is supplied 195
- display repos in `gita ll -g`
- delete the group if its repos are all deleted

bug fixes

- fix `auto` context switching 179

new features

- add `gita group add -p` option to edit group path 187
- pretty print `gita group ll` output 183

bug fixes

- remove unused `yaml` import 176
- fix `gita add -a` bug when new repos contain name clash 178
- update groups when repo is removed from gita

new features
- add context option `auto`, which automatically set context to the corresponding group if the current workin directory is relative to any group members' path
- add `gita ll -g` to display repo summaries by group 182

new features
- allow `gita group ll` to run on selected groups 172

bug fixes
- fix `gita shell` traceback 173