docs: tell 1.4.x users to upgrade to 1.5.0, which stops fetches of arbitrary hosts

[GeiserX]

Anyone still on 1.4.6 or earlier has a tool that an archived page can steer into fetching any host directly and saving the response. 1.5.0 fixed that in #55, but nothing in the README tells an existing user to upgrade.

The fix:

• The README quick start says to use 1.5.0 or later, links fix: only talk to Wayback and a short CDN list, and stop the font clean-up deleting CSS #55, and gives pipx upgrade wayback-archive.
• 1.4.2 to 1.4.6 are being yanked from PyPI: they declare Python 3.9 support but cannot install on 3.9. After the yank, pip on 3.9 stops with No matching distribution found instead of ResolutionImpossible, so the README, Getting started and the Troubleshooting entry now describe both and stay true either way. The Troubleshooting heading changes to "pip cannot install it (Python 3.9)"; Getting started links the new anchor.

mkdocs build --strict passes, and the built page has the pip-cannot-install-it-python-39 anchor the link points at.

Summary by CodeRabbit

• Documentation
  • Updated setup guidance to recommend version 1.5.0 or later and clarify that Python 3.9 cannot install a supported release.
  • Expanded troubleshooting guidance to explain the different pip errors Python 3.9 users may encounter and recommend Python 3.10 or newer.
  • Noted that versions 1.4.6 and earlier could fetch and save responses from arbitrary hosts when processing an archived page.

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⚙️ Run configuration

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Reviewing files that changed from the base of the PR and between 09d2ebd and 0a21232.

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• README.md

📝 Walkthrough

Walkthrough

The Quick start recommends version 1.5.0 or later and warns about the any-host fetch behavior in versions 1.4.6 and earlier. The installation and troubleshooting pages clarify the different pip errors that can occur on Python 3.9.

Changes

Installation guidance

Layer / File(s)	Summary
Python version and release guidance README.md, docs/getting-started.md, docs/troubleshooting.md	The Quick start recommends version 1.5.0 or later and warns about earlier any-host fetch behavior. The Python 3.9 notes explain when pip reports ResolutionImpossible or No matching distribution found.

Priority: ➖ Normal

Estimated code review effort: 1 (Trivial) | ~3 minutes

Change: Other

Merge Risk: 🔵 Low · up to 09d2e

This change only touches documentation. The advice to upgrade to 1.5.0 is correct. But users whose pipx install runs on Python 3.9 can run the suggested upgrade command and still be left on a vulnerable version, because the command keeps their old Python. Adding a step to rebuild the install with Python 3.10 would close that gap. Merging carries low risk once that wording is added.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main documentation change: recommending that users upgrade from version 1.4.x to avoid fetching arbitrary hosts.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
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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Actionable comments posted: 1

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• 🪄 Fix CodeRabbit comments on this PR

🤖 Prompt to fix review comments

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Inline comments:
Review comments at @README.md:
- Line 45: Update the README upgrade guidance to clarify that pipx upgrade does
not change an existing environment’s Python version. Tell users with Python 3.9
environments to rebuild with Python 3.10 using pipx reinstall --python, while
preserving the existing recommendation to use version 1.5.0 or later.

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ℹ️ Review info

⚙️ Run configuration

• Configuration used: Repository: GeiserX/Wayback-Archive/.coderabbit.yaml
• Review profile: CHILL
• Plan: Advanced
• Run ID: f19725e5-8436-44dd-a60a-a099da0cac13

📥 Commits

Reviewing files that changed from the base of the PR and between e189bac and 09d2ebd.

📒 Files selected for processing (3)

• README.md
• docs/getting-started.md
• docs/troubleshooting.md

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