Update install-acarsdec.md

[f00b4r0]

install-acarsdec is quite outdated since TLeconte's version has been archived a couple years ago, so here's a quick like-for-like update to use the currently maintained version.
HTH

Summary by CodeRabbit

• Documentation
  • Updated the acarsdec installation guide to match a newer build process and command-line interface.
  • Refreshed configuration examples, option references, and the Airframes feed setup to use the latest long-form flags.
  • Revised the systemd service example to reflect the updated startup command.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 2ed22a6b-c4aa-47f5-8f22-a4136999c710

📥 Commits

Reviewing files that changed from the base of the PR and between 78bc93c and 6e5f65b.

📒 Files selected for processing (1)

• docs/decoders/install-acarsdec.md

📝 Walkthrough

Walkthrough

The docs/decoders/install-acarsdec.md guide is updated to reflect a newer acarsdec build: the clone source changes to f00b4r0/acarsdec, the CMake -Drtl=ON flag is removed, and all CLI examples and the systemd ExecStart migrate from short flags (-o/-j/-r/-s) to long-form flags (--output json:udp:..., --rtlsdr, --airspy).

Changes

acarsdec Install Guide CLI Update

Layer / File(s)	Summary
CLI flags, examples, and systemd unit docs/decoders/install-acarsdec.md	Clone source changed to f00b4r0/acarsdec, CMake -Drtl=ON removed; Basic usage, Key command-line options table, and Feeding to Airframes examples rewritten to use new long-form flags; systemd ExecStart migrated from -o/-j/-r style to --output json:udp:host=...,port=... and --rtlsdr style.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐇 Hop hop, the flags have changed today,
No -o or -r to lead the way.
Now --output json carries the stream,
Long-form args fulfil the dream.
CMake flags trimmed, the repo anew—
A cleaner guide for me and you! 🌿

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Title check	❓ Inconclusive	The title matches the changed file, but it is too generic to convey the main acarsdec CLI and install-doc update.	Use a more specific title such as "Update acarsdec installation docs for the maintained fork and new CLI".

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@docs/decoders/install-acarsdec.md`:
- Line 54: The options table entry uses an inconsistent flag name, so update the
`-output` reference to match the rest of the documentation and the `--output`
usage shown in the examples. Fix the table row in the install-acarsdec docs so
the `output` option is labeled consistently with the CLI flag used elsewhere,
keeping the surrounding options table wording unchanged.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: a0082688-2d2d-4789-b4f4-085dd211389d

📥 Commits

Reviewing files that changed from the base of the PR and between 9cd3bd5 and 78bc93c.

📒 Files selected for processing (1)

• docs/decoders/install-acarsdec.md