Stanislas ec3e80ac16 feat: add CLI interface with subcommands (#1398) ...

Replace environment variable-based configuration with a proper CLI
interface using subcommands and flags.

### Commands

```
openvpn-install <command> [options]

Commands:
  install       Install and configure OpenVPN server
  uninstall     Remove OpenVPN server
  client        Manage client certificates (add/list/revoke/renew)
  server        Server management (status/renew)
  interactive   Launch interactive menu
```

### Highlights

- **No args → help**: Running without arguments shows help instead of
interactive menu
- **JSON output**: `client list` and `server status` support `--format
json`
- **25+ install flags**: Network, DNS, security, and client options
- **Interactive mode preserved**: `install --interactive` or
`interactive` command

### Breaking Changes

Environment variables (`AUTO_INSTALL`, `MENU_OPTION`, `CLIENT`, etc.)
are no longer supported. Use CLI flags instead.

```bash
# Before
MENU_OPTION=1 CLIENT=foo PASS=1 ./openvpn-install.sh

# After
./openvpn-install.sh client add foo
```


Closes https://github.com/angristan/openvpn-install/issues/1202

2025-12-14 22:08:44 +01:00

..

linters

chore(deps): update super-linter/super-linter action to v8 (#1339)

2025-12-11 11:12:00 +01:00

workflows

feat: add CLI interface with subcommands (#1398)

2025-12-14 22:08:44 +01:00

FUNDING.yml

Update FUNDING.yml

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issue_template.md

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pull_request_template.md

Update pull request template to clarify maintenance burden of added features

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