docs: 📄 add variable update command documentation

Add comprehensive documentation for the `azdo pipelines variable-group variable update` command including usage examples, option details, and JSON field references. Update help reference and command index to include the new functionality.

test: 🧪 added unit tests for 'permission reset' command

docs: update --member flag to support multiple comma-separated values

Updated documentation for Azure DevOps security group membership add/remove commands to reflect that the `--member` flag now accepts multiple comma-separated values instead of a single string, improving clarity and usability for bulk operations.

docs: updated CLI docs after implementing 'azdo project show' command

chore: 💅🏼 corrected indention for heredoc in internal/cmd/repo/create…

…/create.go

chore: updated .gitignore so that the azdo binary is currectly exclud…

…ed and that *.local.* files are excluded as well

feat: Update config commands (#34)

* feat: ensure in internal/cmd/config/get/get.go that an error is printed when an organization is specified to which no login exists
chore: make all memebers of the opts struct private
chore: align variable name of IOStreams with other code

* feat: ensure ininternal/cmd/config/list/list.go that an error is printed when an organization is specified to which no login exists
chore: align variable name of IOStreams with other code
feat: add flag --all
fix: initializing keys array correctly when a organization has been specified

* feat: ensure in internal/cmd/config/set/set.go that an error is printed when an organization is specified to which no login exists
chore: align variable name of IOStreams with other code
feat: add flag --remove

* chore: added zap debug log messages to internal/config/config.go

* chore: recreated documentation

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Co-authored-by: Thomas Meckel <tmeckel@users.noreply.github.com>

fix: Ensure that organization names are always converted to lower-case (

#32)

Co-authored-by: Thomas Meckel <tmeckel@users.noreply.github.com>

Using golangci-lint-action and gopfumpt in .github/workflows/lint.yml (…

…#24)

Initial check of code