docs: improve README

[webbrain-one]

Makes one small, focused improvement to the existing README.

Summary by CodeRabbit

• Documentation
  • Improved README formatting with clearer spacing.
  • Documented the default server port (8000) and how to specify a custom port, such as 8080.

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[coderabbitai]

📝 Walkthrough

Walkthrough

The README adds leading blank lines and documents the default server port and a custom port example. The launch-readiness line has no visible content change.

Changes

README documentation

Layer / File(s)	Summary
README formatting and server documentation README.md	The README adds leading blank lines, identifies port 8000 as the default, and shows how to use port 8080. The launch-readiness line retains the same visible text.

Estimated code review effort: 1 (Trivial) | ~2 minutes

🚥 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 identifies the README documentation update described in the changeset.
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.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• 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 `@README.md`:
- Around line 34-35: Update the README instructions surrounding the custom
`python3 server.py 8080` command and the access URL so they explicitly use port
8080 or tell readers to replace 8000 with their selected custom port.

🪄 Autofix

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 Plus

Run ID: c27f38ba-bbc3-471c-b1e8-5feab367c593

📥 Commits

Reviewing files that changed from the base of the PR and between fa7ad48 and 05dfd1f.

📒 Files selected for processing (1)

• README.md

[coderabbitai]

🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

Document the access URL for the custom port.

After running python3 server.py 8080, the server listens on port 8080, but Lines 58-59 still specify port 8000. Add the custom-port URL or state that readers must replace 8000 with the selected port.

🤖 Prompt for 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.

In `@README.md` around lines 34 - 35, Update the README instructions surrounding
the custom `python3 server.py 8080` command and the access URL so they
explicitly use port 8080 or tell readers to replace 8000 with their selected
custom port.