refactor: 重构课程结构，完善内容和配置

Author: ShixiangWang

.DS_Store

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+name: Deploy Courses to GitHub Pages
+
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    env:
+      RENV_PATHS_ROOT: ~/.local/share/renv
+      
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        
+      - name: Setup Quarto
+        uses: quarto-dev/quarto-actions/setup@v2
+        with:
+          version: '1.4'
+          
+      - name: Setup R
+        uses: r-lib/actions/setup-r@v2
+        with:
+          r-version: '4.3.0'
+          use-public-rspm: true
+          
+      - name: Cache R packages
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.RENV_PATHS_ROOT }}
+          key: ${{ runner.os }}-renv-${{ hashFiles('**/renv.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-renv-
+            
+      - name: Install R dependencies
+        run: |
+          install.packages(c(
+            "rmarkdown",
+            "knitr",
+            "ggplot2",
+            "dplyr",
+            "tidyr",
+            "readr",
+            "DT",
+            "reticulate"
+          ))
+        shell: Rscript {0}
+        
+      - name: Render root website
+        run: |
+          echo "Rendering root website..."
+          quarto render index.qmd
+          
+      - name: Render courses
+        run: |
+          # 查找所有课程目录（包含_quarto.yml的子目录）
+          for course in r-and-rmarkdown; do
+            if [ -d "$course" ] && [ -f "$course/_quarto.yml" ]; then
+              echo "Rendering course: $course"
+              cd "$course"
+              quarto render
+              cd ..
+            fi
+          done
+          
+      - name: Organize build output
+        run: |
+          # 创建统一的_site目录
+          mkdir -p _site
+          
+          # 复制根目录构建结果
+          if [ -f "index.html" ]; then
+            cp index.html _site/
+          fi
+          
+          # 复制根目录其他文件
+          for file in license.html resources.html syllabus.html robots.txt sitemap.xml search.json; do
+            if [ -f "$file" ]; then
+              cp "$file" _site/
+            fi
+          done
+          
+          # 复制样式和库
+          if [ -d "site_libs" ]; then
+            cp -r site_libs _site/
+          fi
+          if [ -d "styles" ]; then
+            cp -r styles _site/
+          fi
+          if [ -d "logo" ]; then
+            cp -r logo _site/
+          fi
+          
+          # 复制各课程构建结果
+          for course in r-and-rmarkdown; do
+            if [ -d "$course/_site" ]; then
+              echo "Copying $course to _site/"
+              mkdir -p "_site/$course"
+              cp -r "$course/_site"/* "_site/$course/"
+              # 确保logo在课程目录中
+              if [ -f "logo/csu_logo.png" ]; then
+                cp "logo/csu_logo.png" "_site/$course/"
+              fi
+            fi
+          done
+          
+          echo "Build complete. Site structure:"
+          ls -la _site/
+          
+      - name: Setup Pages
+        uses: actions/configure-pages@v4
+        
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: ./_site
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master'
+    
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

.github/workflows/deploy.yml

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+# Quarto / R Markdown
+_site/
+/.quarto/
+*_files/
+
+# R
+.Rhistory
+.Rapp.history
+.RData
+.Ruserdata
+*.Rproj
+.Rproj.user/
+.renv/
+renv.lock
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+.Python
+venv/
+.env/
+
+# macOS
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# Temporary files
+*.tmp
+*.log
+*.bak
+
+# Output files (keep source only)
+*.html
+*.pdf
+*.docx
+!slides/*.html  # Keep rendered slides
+
+# Data (large files)
+*.csv
+*.tsv
+*.xlsx
+*.rds
+*.rda
+*.RData
+!data/*.csv     # Keep small example data
+
+**/*.quarto_ipynb