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>

scripts/download_ppt_master.sh

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+#!/bin/bash
+# Download ppt-master skill from GitHub
+# Usage: bash scripts/download_ppt_master.sh
+
+REPO_URL="https://github.com/hugohe3/ppt-master.git"
+SKILL_DIR="skills/ppt-master"
+
+# Remove existing
+rm -rf "$SKILL_DIR"
+
+# Clone to temp directory
+TMPDIR=$(mktemp -d)
+git clone --depth 1 "$REPO_URL" "$TMPDIR"
+
+# Copy only the skills directory
+cp -r "$TMPDIR/skills/ppt-master" "$SKILL_DIR"
+
+# Clean up
+rm -rf "$TMPDIR"
+
+echo "[Done] ppt-master skill downloaded to $SKILL_DIR/"
+echo "       $(find "$SKILL_DIR" -type f | wc -l) files"