docs: update todo.md with current progress

- Mark parser tests as completed
- Update plugin integration section to IN PROGRESS
- Mark completed plugin integration tasks

docs/todo.md

@@ -12,22 +12,28 @@
 
 ## Phase 2: Core Functionality
 
-### 2.1 Basic Plugin Structure
-- [ ] Implement plugin initialization
-- [ ] Create help command
-- [ ] Add version information
-- [ ] Set up logging system
+### 2.1 Basic Plugin Structure - COMPLETED
+- [x] Implement plugin initialization
+- [x] Create help command
+- [x] Add version information
+- [x] Set up logging system
 
-### 2.2 Docker Compose Parser
-- [ ] Add YAML parsing with `yq`
-- [ ] Implement validation for compose file
-- [ ] Support for both v2 and v3 compose formats
+### 2.2 Docker Compose Parser - COMPLETED
+- [x] Add YAML parsing with `yq`
+- [x] Validate compose file version
+- [x] Extract service definitions
+- [x] Handle service dependencies
+- [x] Support for volumes and networks
+- [x] Environment variable handling
+- [x] Port mapping
+- [x] Plugin integration for databases v3 compose formats
+- [x] Comprehensive test coverage for parser functions
 - [ ] Handle YAML anchors and references
 
-### 2.3 Dokku Plugin Integration
-- [ ] Create service detection system for Dokku plugins
-- [ ] Implement plugin installation check
-- [ ] Add support for core plugins (postgres, redis, etc.)
+### 2.3 Dokku Plugin Integration - IN PROGRESS
+- [x] Create service detection system for Dokku plugins
+- [x] Implement plugin installation check
+- [x] Add support for core plugins (postgres, redis, etc.)
 - [ ] Map Docker Compose config to Dokku plugin config
 - [ ] Handle service linking with plugins
 - [ ] Implement fallback to container when plugin is not available