feat: SEO enhancements

Author: iluwatar

Diff for: generate.sh

@@ -18,7 +18,7 @@ rm -rf etc .circleci .editorconfig .github .mvn checkstyle-suppressions.xml CONT
 find . -maxdepth 2 -type d -exec bash -c 'cd "{}" && pwd && rm -rf src pom.xml *.ucls *.puml .gitignore' \;
 
 rm -vf README.md
-$ROOT_DIR/index.sh "en" "Design Pattern Catalog"
+$ROOT_DIR/index.sh "en" "Design Pattern Catalog | Java Design Patterns" "Catalog of Java Design Patterns for Developers | Java Design Patterns" "Discover the full list of Java design patterns. This comprehensive guide provides you with all the information you need to master pattern implementation in your Java applications."
 
 # Setup java-design-patterns - localizations
 languages=( zh ko es )

Diff for: index.sh

@@ -1,6 +1,8 @@
 echo "---" >> README.md
 echo "language: $1" >> README.md
 echo "title: $2" >> README.md
+echo "shortTitle: $3" >> README.md
+echo "description: $4" >> README.md
 echo "---" >> README.md
 echo "" >> README.md
 

Diff for: src/README.md

@@ -2,7 +2,9 @@
 blog: false
 home: true
 icon: home
-title: Java Design Patterns
+title: "Explore, Learn, and Master Industry-Standard Patterns"
+shortTitle: Java Design Patterns
+description: "Explore the comprehensive world of Java design patterns. Learn key patterns that every Java developer should know and master to build more robust and scalable applications."
 heroImage: /coffee.svg
 heroText: Software design patterns, principles, and snippets
 tagline: The best designers will use many design patterns that dovetail and intertwine to produce a greater whole --Erich Gamma