docs: add ofga (community CLI & TUI) to the tools list

[sergiught]

Adds ofga, a community-built CLI and TUI for OpenFGA, to the "SDKs, Libraries and Tools" list.

Description

What problem is being solved?

The community projects list has no entry for a terminal-based client. ofga is an independent, community-maintained CLI + full-screen TUI for working with OpenFGA stores, authorization models, tuples and queries, and it may be useful to others in the community.

How is it being solved?

By adding a single row to the "SDKs, Libraries and Tools" table.

What changes are made to solve it?

One line added to README.md:

| ofga - an alternative CLI & TUI for OpenFGA | Tool |

A note on naming, since it sits close to the official CLI: this project is not affiliated with or endorsed by OpenFGA, and is not a fork of openfga/cli. It is a separate, independent implementation distributed as ofga (the official CLI's binary is fga), and it says so in its README. Happy to reword the entry however maintainers prefer if the current wording is not clear enough about that distinction.

Some context on the project:

• MIT licensed, public, with tagged releases and install paths for Homebrew, Docker/GHCR, and go install.
• Scriptable CLI with consistent JSON/YAML output and meaningful exit codes, plus an interactive TUI for browsing stores, visualizing the model relation graph, editing tuples and expanding query resolution trees.
• Works against any OpenFGA-compatible server, with connection profiles for switching environments.
• Documentation: https://sergiught.github.io/openfga-cli/

References

N/A - documentation-only addition to the community project list.

Review Checklist

• I have clicked on "allow edits by maintainers".
• I have added documentation for new/changed functionality in this PR or in a PR to openfga.dev
• The correct base branch is being used, if not main
• I have added tests to validate that the change in functionality is working as expected - N/A, documentation-only change.

[Copilot]

Pull request overview

Adds a community project entry for ofga, a terminal-based CLI + full-screen TUI for working with OpenFGA, to the repository’s community “SDKs, Libraries and Tools” list.

Changes:

• Adds a single new “Tool” row linking to sergiught/openfga-cli in the “SDKs, Libraries and Tools” table.

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