Add Stockio to assets placeholder resources

[issac6666]

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Summary by CodeRabbit

• Documentation
  • Added a new "free" entry for Stockio to the Learn > General Game Development section, including a link and descriptor. The entry highlights Stockio as a resource for stock photos, vectors, and icons available for commercial use. No existing entries were removed.

[coderabbitai]

Walkthrough

README.md was updated to add a single new resource entry: Stockio (free stock photos, vectors, and icons) under Learn > General Game Development; no other changes were made.

Changes

Cohort / File(s)	Change Summary
Documentation Resource Addition README.md	Added one new resource link entry for Stockio (free stock photos, vectors, and icons) under the Learn > General Game Development section.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

• Review focus: verify README formatting and link correctness in README.md.

Poem

🐰 A nibble of links in the light,
Stockio hops in, bold and bright,
Vectors, photos, icons to share,
A little garden of creative care.

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	You can run @coderabbitai generate docstrings to improve docstring coverage.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title Check	✅ Passed	The pull request title "Add Stockio to assets placeholder resources" is directly related to the main change in the changeset. The title clearly identifies what is being added (Stockio) and to what it is being added (assets placeholder resources). The raw summary confirms that Stockio was indeed added as a bolded free entry to the README.md resource list under Learn > General Game Development. The title is concise, specific, and conveys the primary change in a way that would be easily understood by someone reviewing the commit history.

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 21d9d74 and 0f6bf8f.

📒 Files selected for processing (1)

• README.md (1 hunks)

🚧 Files skipped from review as they are similar to previous changes (1)

• README.md

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Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 66ff518 and 21d9d74.

📒 Files selected for processing (1)

• README.md (1 hunks)