初始提交：SVG PPT技能与项目配置

- SVG布局规划、视觉风格、技术合规技能
- ppt-master技能下载脚本（从GitHub获取）
- .gitignore配置

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,28 @@
+# Generated / derivable outputs
+backup/
+svg_final/
+exports/
+
+# OS files
+.DS_Store
+Thumbs.db
+desktop.ini
+
+# Claude Code
+.claude/
+.omc/
+
+# Python
+__pycache__/
+*.pyc
+
+# ppt-master
+ppt-master/
+projects/
+
+# Large binaries
+*.pptx
+
+# Extracted PPT images
+*_files/
+