docs: improve external PostgreSQL configuration documentation

[d-bytebase]

Summary

• Removed redundant introduction about embedded PostgreSQL
• Reorganized content structure for better clarity
• Improved section naming throughout the document

Changes

• Remove redundant paragraph about Bytebase bundling embedded PostgreSQL
• Move PostgreSQL version requirement into the PostgreSQL Setup section
• Remove Docker host.docker.internal note
• Reorganize Database and User sections under PostgreSQL Setup
• Rename sections for consistency and clarity:
  • "Database Configuration" → "PostgreSQL Setup"
  • "Connection string format for PG_URL" → "PG_URL String Format"
  • "Docker example" → "Running with Docker"
  • "Kubernetes Configuration" → "Running with Kubernetes"

🤖 Generated with Claude Code

[vercel]

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Project	Deployment	Preview	Comments	Updated (UTC)
bytebase-com	🔄 Building	Preview	Comment	Aug 12, 2025 2:52pm

[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 16 broken links in 9 files

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

[tianzhou]

LGTM