Migrate remaining ALM documentation

[joshsmithxrm]

Summary

Complete migration of ALM docs from ppds-alm/docs/ to ppds-docs/docs/alm/.

Current State

Migrated (5):

• index.md (overview)
• quickstart.md
• features.md
• authentication.md
• troubleshooting.md

Remaining (4)

Source	Destination	Priority
WORKFLOWS_REFERENCE.md	alm/workflows.md	High
ACTIONS_REFERENCE.md	alm/actions.md	High
AZURE_INTEGRATION.md	alm/azure-integration.md	Medium
AZURE_OIDC_SETUP.md	alm/azure-oidc-setup.md	Medium

Tasks

• Migrate WORKFLOWS_REFERENCE.md with Docusaurus frontmatter
• Migrate ACTIONS_REFERENCE.md with Docusaurus frontmatter
• Migrate AZURE_INTEGRATION.md
• Migrate AZURE_OIDC_SETUP.md
• Update alm/index.md links
• Update sidebars.ts
• Verify build passes

Priority: Medium

Core ALM docs are done, these are supplementary reference docs.