[README] Tweak Rancher Desktop instructions

[imnasnainaec]

This change is 

Summary by CodeRabbit

• Documentation
  • Select “stable” Kubernetes as the preferred version (no longer marking both stable and latest).
  • Clarified container runtime guidance: dockerd noted as (recommended) with refined downstream notes; emphasized containerd usage distinctions.
  • Moved Linux-only path setup note to explicitly Linux.
  • Updated port-forwarding header and connection URL guidance to specify Rancher Desktop with containerd and adjusted example URL.

[coderabbitai]

📝 Walkthrough

Walkthrough

Updated README.md to refine Kubernetes version guidance, clarify container runtime wording (containerd vs dockerd), relocate Linux-specific path note, and modify port-forwarding and connection instructions to explicitly reference Rancher Desktop with containerd.

Changes

Cohort / File(s)	Summary
Documentation Updates README.md	Adjusted Kubernetes version selection from marking both "stable" and "latest" to only "stable"; broadened dockerd wording to mark it "(recommended)"; moved Linux-only path setup note; changed port-forward header to "Only for Rancher Desktop with containerd!"; updated connection URL examples to include the containerd context; minor phrasing tweaks.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 A rabbit hops through README lines so neat,
versions trimmed, runtimes right and sweet,
containerd called out, dockerd gets a nod,
port-forwards guided on the proper pod,
docs refreshed — I nibble code and beat my feet. 🥕

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title '[README] Tweak Rancher Desktop instructions' directly and clearly relates to the main changes: updates to README documentation for Rancher Desktop setup.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch readme-rancher

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.15%. Comparing base (0ce9ad4) to head (6db1893).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4187   +/-   ##
=======================================
  Coverage   75.15%   75.15%           
=======================================
  Files         302      302           
  Lines       11099    11099           
  Branches     1394     1394           
=======================================
  Hits         8341     8341           
  Misses       2357     2357           
  Partials      401      401           

Flag	Coverage Δ
backend	86.52% <ø> (ø)
frontend	66.34% <ø> (ø)

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[coderabbitai]

🧹 Nitpick comments (1)

README.md (1)

783-797: Tighten wording to avoid runtime-scope ambiguity.

Given Line 783 and Line 797 are containerd-specific, consider updating Line 785 to explicitly say “on Rancher Desktop with containerd” to keep this subsection fully consistent.

🤖 Prompt for AI Agents

Verify each finding against the current code and only fix it if needed.

In `@README.md` around lines 783 - 797, The wording "To connect to _The Combine_
user interface on _Rancher Desktop_, you need to setup port forwarding." is
ambiguous relative to the containerd-specific note; change that sentence to
explicitly target Rancher Desktop with containerd (e.g. "To connect to _The
Combine_ user interface on Rancher Desktop with `containerd`, you need to set up
port forwarding.") and correct "setup" to "set up" so the subsection
consistently and unambiguously applies to the containerd case referenced
elsewhere.

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Nitpick comments:
In `@README.md`:
- Around line 783-797: The wording "To connect to _The Combine_ user interface
on _Rancher Desktop_, you need to setup port forwarding." is ambiguous relative
to the containerd-specific note; change that sentence to explicitly target
Rancher Desktop with containerd (e.g. "To connect to _The Combine_ user
interface on Rancher Desktop with `containerd`, you need to set up port
forwarding.") and correct "setup" to "set up" so the subsection consistently and
unambiguously applies to the containerd case referenced elsewhere.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 3878fcaa-bafa-4543-9933-72a6dd7f69f3

📥 Commits

Reviewing files that changed from the base of the PR and between 737a36f and 6db1893.

📒 Files selected for processing (1)

• README.md