feat: Add Kotlin KAPT plugin and update dependencies in build.gradle.kts

chore: Update clean task to use layout.buildDirectory in top-level build.gradle.kts
chore: Add VS Code settings and tasks for improved development experience
docs: Create DEVELOPMENT.md with setup instructions and available commands

.vscode/settings.json

@@ -0,0 +1,26 @@
+{
+  "java.configuration.updateBuildConfiguration": "automatic",
+  "java.compile.nullAnalysis.mode": "automatic",
+  "files.exclude": {
+    "**/.gradle": true,
+    "**/build": true,
+    "**/.idea": true
+  },
+  "java.project.sourcePaths": ["app/src/main/java"],
+  "java.project.referencedLibraries": [
+    "lib/**/*.jar",
+    "app/build/intermediates/compile_library_classes_jar/**/*.jar"
+  ],
+  "[kotlin]": {
+    "editor.defaultFormatter": "fwcd.kotlin",
+    "editor.formatOnSave": true,
+    "editor.tabSize": 4
+  },
+  "kotlin.languageServer.enabled": true,
+  "kotlin.compiler.jvm.target": "1.8",
+  "files.associations": {
+    "*.gradle.kts": "kotlin",
+    "*.gradle": "groovy"
+  },
+  "gradle.nestedProjects": true
+}