docs: rewrite Database CI/CD overview page for clarity

[d-bytebase]

Summary

• Complete rewrite of the Database CI/CD overview page (change-workflow.mdx)
• Improved structure and clarity to help users understand and choose between workflows
• Added comprehensive lifecycle explanation that applies to both UI-Driven and GitOps workflows

Changes Made

Structure Improvements

• Added 6-step Database CI/CD lifecycle section showing the common process
• Moved Database Groups/batch changes explanation before workflow selection
• Clear separation between shared capabilities and workflow-specific features

Content Enhancements

• Plan Change: Clarified targeting options (single, multiple, or Database Groups)
• SQL Review: Added syntax validation and comprehensive check categories
• Approval Process: Explained approval options for each workflow (including ServiceNow/Jira for GitOps)
• Multi-Environment Pipeline: Detailed stage-by-stage promotion with orchestration
• Rollback: Specified DML instant rollback and schema rollback capabilities
• Schema Monitoring: Focused on drift detection

User Experience

• Clear decision criteria with "Choose X If" sections
• Removed technical jargon (replaced "VCS" with "Git provider" with examples)
• Added "Can I Use Both?" section for hybrid approaches
• Removed outdated concepts and implementation details from overview

Test Plan

• Preview the documentation locally
• Verify all internal links work correctly
• Ensure consistency with existing documentation structure

🤖 Generated with Claude Code

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Project	Deployment	Preview	Comments	Updated (UTC)
bytebase-com	Ready	Preview	Comment	Aug 28, 2025 7:32am

[github-actions]

📝 Broken Links Check Report

Note: Entries under /api-reference/ are likely false positives and can be ignored.

The following is the output from the broken links check:

found 18 broken links in 10 files

change-database/change-workflow.mdx
 ⎿  /change-database/ui-workflow
 ⎿  /change-database/gitops-workflow

integrations/api/audit-log.mdx
 ⎿  /api-reference/auditlogservice/post-v1auditlogs:search

integrations/api/authentication.mdx
 ⎿  /api-reference/authservice/post-v1authlogin

integrations/api/data-classification.mdx
 ⎿  /api-reference/settingservice/patch-v1settings
 ⎿  /api-reference/databaseservice/patch-v1instances-databases

integrations/api/issue.mdx
 ⎿  /api-reference/issueservice/post-v1projects-issues

integrations/api/permission.mdx
 ⎿  /api-reference/workspaceservice/get-v1workspaces-:getIamPolicy
 ⎿  /api-reference/projectservice/get-v1projects-:getIamPolicy
 ⎿  /api-reference/roleservice/get-v1roles
 ⎿  /api-reference/userservice/get-v1users
 ⎿  /api-reference/groupservice/get-v1groups

integrations/api/plan.mdx
 ⎿  /api-reference/planservice/post-v1projects-plans
 ⎿  /api-reference/sheetservice/post-v1projects-sheets

integrations/api/release.mdx
 ⎿  /api-reference/releaseservice/post-v1projects-releases

integrations/api/rollout.mdx
 ⎿  /api-reference/rolloutservice/post-v1projects-rollouts

integrations/api/sql-review.mdx
 ⎿  /api-reference/releaseservice/post-v1projects-releases:check
 ⎿  /api-reference/sqlservice/post-v1sqlcheck