feat: add sync pull/diff/push commands for infrastructure-as-code workflow

Problem

Dokploy currently has no infrastructure-as-code story. There's no way to:

• Snapshot server state to version-controlled files
• Track configuration drift between environments
• Apply changes from local files back to the server

Proposed Solution

Add three new commands under dokploy sync:

• sync pull - Serialize full Dokploy state (projects, environments, apps, compose, databases) to local YAML files
• sync diff - Compare local YAML state against the live server with colored field-level output
• sync push - Apply local changes back via tRPC update endpoints

Flags

• --project / -p - Filter by project name or ID
• --redact / -r - Mask sensitive fields (passwords, env vars, tokens)
• --dry-run / -d - Preview changes without applying
• --yes / -y - Skip confirmation prompt

v1 Scope

• Pull/diff/push for projects, environments, applications, compose, all 5 DB types
• Sub-resources: domains, ports, mounts, redirects, security
• Update existing resources only (no create/delete on push)

Deferred to v2

• Create/delete resources via push
• Interactive project selection
• .dokployignore, --format json
• Syncing global settings (registries, certificates, servers)

I have a working implementation ready in PR #21.

Start with the working implementation in PR #21 and compare it with the issue's v1 scope. Review the sync pull, sync diff, and sync push entry points, including their flags and tRPC update endpoints. Done means existing projects, environments, applications, compose, databases, and listed sub-resources support the specified pull, diff, and push behavior without create or delete operations.