feat: implement project showcase section with database integration, filtering, and detail modals

prisma/migrations/20260403110208_add_project_details/migration.sql

@@ -0,0 +1,4 @@
+-- AlterTable
+ALTER TABLE "projects" ADD COLUMN     "highlights" TEXT[],
+ADD COLUMN     "techStack" TEXT[],
+ADD COLUMN     "year" INTEGER;

prisma/migrations/20260403112327_add_image_urls_array/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "projects" ADD COLUMN     "image_urls" TEXT[] DEFAULT ARRAY[]::TEXT[];