docs: add multi-organization maintainership plan

[mohit-nagaraj]

Summary

• Adds MULTI_ORG_MAINTAINERSHIP.md with three-phase strategy
• Phase 1: Lower barriers (good-first-issues, fast reviews, contributor docs)
• Phase 2: Build visibility (talks, blogs, CNCF TAG engagement, partnerships)
• Phase 3: Cultivate maintainers (mentorship, component ownership, LFX Mentorship)
• Includes measurable targets and risk mitigations

Related Issue

Closes #5

Test plan

• Strategy is actionable and realistic
• Metrics are measurable

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces a foundational document outlining a strategic, phased plan to expand KubeOrch's maintainer base beyond its initial founding team. The plan is designed to attract, engage, and cultivate external maintainers, which is a critical step for the project's CNCF sandbox acceptance and long-term sustainability. It provides a clear roadmap with actionable steps, measurable targets, and proactive risk management.

Highlights

• New Document Added: Introduced MULTI_ORG_MAINTAINERSHIP.md which outlines a comprehensive three-phase strategy for achieving multi-organization maintainership for the KubeOrch project.
• Phase 1: Lowering Barriers: Detailed strategies for attracting new contributors, including maintaining good-first-issues, ensuring beginner-friendly documentation, and fostering a welcoming community with fast PR reviews.
• Phase 2: Building Visibility: Outlined plans to increase project visibility through content creation (blogs, talks, demos), active engagement in CNCF TAGs and Kubernetes Slack channels, and strategic partnership outreach.
• Phase 3: Cultivating Maintainers: Defined a process for progressing contributors up a ladder, assigning shared ownership of components, and implementing formal mentorship programs, including participation in LFX Mentorship.
• Metrics and Risk Mitigation: Included measurable targets for external contributors, reviewers, and maintainers, along with identified risks and their corresponding mitigation strategies to ensure the plan's success.

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[gemini-code-assist]

Code Review

This pull request introduces a comprehensive MULTI_ORG_MAINTAINERSHIP.md document, outlining a three-phase strategy to attract and cultivate external maintainers for KubeOrch. The plan is well-structured, detailing actions for lowering barriers, building visibility, and formalizing mentorship. It also includes measurable targets and risk mitigations, which are crucial for tracking progress. The overall strategy appears sound and aligns well with the project's goal of achieving multi-organization maintainership for CNCF sandbox acceptance.

[gemini-code-assist]

The link to CONTRIBUTOR_LADDER.md appears to be broken or refers to a file that does not exist in the repository. Please ensure this document is created and accessible, or update the link to point to the correct resource (e.g., a section within GOVERNANCE.md if that's where the contributor ladder details reside). A broken link can hinder contributors from understanding the progression path.