Always set the Fg color when Bg is set. This fixes poor contrast on
terminals with non-standard foreground colors.

- fix and align OPEN/CLOSED states
- fix org-mode links format
- santize tags (org-mode only allows _ and @ as special characters)
- format datetimes as org-mode

Add functionality to remove bugs from a local repository.

This adds a function to remove git references in the repo and another one to remove bugs.

fix github action

code analysis

commands: refactor to avoid globals

Add support for read-only mode for web UI.

Co-authored-by: Quentin Gliech <quentingliech@gmail.com>

Included in the changes:
- create a new /api root package to hold all API code, migrate /graphql in there
- git API handlers all use the cache instead of the repo directly
- git API handlers are now tested
- git API handlers now require a "repo" mux parameter
- lots of untangling of API/handlers/middleware
- less code in commands/webui.go

Don't use contexts, just raw Apollo, since it's cached anyway.

Change "ReadonlyHidden" to "IfLoggedIn".

Fixes #402.

repo: more tests

Repository rework

- allow the creation of arbitrary Lamport clocks, freeing the way to new entities and removing Bug specific (upper layer) code.
- generalize the memory-only and persisted Lamport clocks behind a common interface
- rework the tests to provide reusable testing code for a Repo, a Clock, a Config, opening a path to add a new Repo implementation more easily
- test previously untested components with those new tests

Note: one problem found during this endeavor is that `identity.Version` also need to store one time + Lamport time for each other Entity (Bug, config, PR ...). This could possibly done without breaking change but it would be much easier to wait for https://github.com/MichaelMure/git-bug-migration to happen.

Add formatting options to the 'show' and 'user ls' commands

This assume that the convertion from time.Time <--> Unix timestamp is lossless which seems to be.

This fixes some bugs experienced when using the new formatting options:
- org-mode indents not working properly
- print statements missing contents

This adds an option to the formatting flag on the ls, show and user ls commands that allows the user to specify the format of the output in org-mode. This will be useful for emacs users to read it in the editor.

This adds options to specify an output format for the commands in question. Supported formats are currently:
- 'plain': plaintext, stripped of all colors
- 'json': prints output as a json object

[ls] add support for different output formats

This prints all the bugs in a JSON array instead of one by one.

build(deps): bump golang.org/x/text from 0.3.2 to 0.3.3

doc: fix typos

Bumps [golang.org/x/text](https://github.com/golang/text) from 0.3.2 to 0.3.3.
- [Release notes](https://github.com/golang/text/releases)
- [Commits](https://github.com/golang/text/compare/v0.3.2...v0.3.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

This adds an optional flag to the ls command that allows users to specify the format they wish to dump the output as. Currently, supported parameters are 'default', 'plain' and 'json'.

build(deps): [security] bump minimist from 1.2.0 to 1.2.5 in /webui