docs: update changelog for v1.1.0 logo library release

- Document complete logo library implementation
- Add details about stackable symbol design
- Include automation script and SVG workflow
- Note BOM exclusion and clipping fixes

CHANGELOG.md

@@ -10,7 +10,26 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 ### Planned
 - First collection of Power Management ICs
 - USB-C Connector series
-- Company logo variants for different sizes
+
+## [1.1.0] - 2024-12-09
+
+### Added
+- Complete Logo Library with personal branding components:
+  - Eduard Iten Personal Logo (1.5mm, 2mm, 3mm, 5mm)
+  - Creative Commons BY-NC-SA 4.0 License Logo (5mm, 10mm, 15mm)
+  - "Created By" Attribution Logo (1.5mm, 2mm, 3mm, 5mm)
+- Python automation script `center_logo.py` with wildcard support
+- SVG artwork source files with import workflow documentation
+- Unified stackable symbol design for perfect PCB layout alignment
+
+### Changed
+- Symbol boxes redesigned for consistent 12.7mm x 5.08mm stackable format
+- Footprint silkscreen boxes widened to prevent text clipping
+- All logos configured with `exclude_from_bom` for proper BOM generation
+
+### Fixed
+- Symbol syntax errors causing library loading failures
+- Text positioning in symbol graphics for better readability
 
 ## [1.0.0] - 2024-12-09