feat: Add funding configuration for Open Collective

[shenxianpeng]

I have set up https://opencollective.com/cpp-linter and invited @2bndy5 to join. This will allow the cpp-linter team to be represented as a whole and provide a way for the community to support the project. I don't expect we'll receive much financial support, but having the option available is better than having nothing at all.

Summary by CodeRabbit

• Chores
  • Added Open Collective funding information.
  • Updated pull request automation to run on additional pull request edits (including title changes).

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 00bce0ba-6c5c-41b5-b519-1af61521c323

📥 Commits

Reviewing files that changed from the base of the PR and between 5302fd9 and f488dcd.

📒 Files selected for processing (1)

• .github/workflows/main.yml

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

• .github/workflows/main.yml

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Walkthrough

The pull request adds an Open Collective funding entry and explicitly configures the main workflow to trigger on opened, reopened, synchronize, and edited pull request events.

Changes

Funding configuration

Layer / File(s)	Summary
Open Collective funding entry .github/FUNDING.yml	Adds cpp-linter as the Open Collective funding account.

Workflow trigger configuration

Layer / File(s)	Summary
Pull request event types .github/workflows/main.yml	Configures the workflow to respond to opened, reopened, synchronize, and edited pull request events.

Estimated code review effort: 1 (Trivial) | ~3 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 describes the primary change: adding Open Collective funding configuration.
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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[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 @.github/workflows/main.yml:
- Around line 7-11: Update the comment in the pull_request.types configuration
to document that edited fires for pull request title, body, and base-branch
changes. If the workflow requires title-only behavior, instead add gating based
on github.event.changes.title for the affected jobs.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

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

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 8578d944-5c0d-4201-8665-de5cbfc288d6

📥 Commits

Reviewing files that changed from the base of the PR and between fac89f0 and 5302fd9.

📒 Files selected for processing (2)

• .github/FUNDING.yml
• .github/workflows/main.yml

[shenxianpeng]

Completed deletion request for a single FUNDING.yml file for all repositories, thus enabling the use of the same FUNDING.yml settings here. this will treat cpp-linter org as a whole.

[shenxianpeng]

@2bndy5, I created an Organization on Open Collective instead of a Collective, which is required to join a Fiscal Host. I've now created the correct Collective and sent you an invitation to join it. Please accept it when you have a chance. Sorry for the confusion.