Complete Docker migration with Next.js 15 and cleaned design

- Migrated from Express.js to Next.js 15 with TypeScript
- Added Docker Compose v2 with multi-stage builds
- Implemented Docker Bake support for improved builds
- Created professional component structure with Tailwind CSS
- Added enhanced visual design with glass morphism effects
- Improved responsive layout and better UX flow
- Updated all dependencies and configurations
- Added proper TypeScript types and modern practices
- Created development scripts for easy container management
- Cleaned up excessive animations for better user experience

docker-bake.hcl

@@ -0,0 +1,29 @@
+# Docker Bake file for KidsAI Explorer
+# This enables better build performance when using COMPOSE_BAKE=true
+
+target "default" {
+  context = "."
+  dockerfile = "Dockerfile"
+  tags = ["kidsai-explorer:latest"]
+  platforms = ["linux/amd64", "linux/arm64"]
+}
+
+target "development" {
+  inherits = ["default"]
+  target = "development"
+  tags = ["kidsai-explorer:dev"]
+}
+
+target "production" {
+  inherits = ["default"]
+  target = "production"
+  tags = ["kidsai-explorer:prod"]
+}
+
+group "default" {
+  targets = ["default"]
+}
+
+group "all" {
+  targets = ["development", "production"]
+}