feat: Add comprehensive todo management system with Gemini-powered brain dump analysis

- Add TodoEntity, TodoDao, TodoRepository, and TodoRepositoryImpl for local todo storage with sync support
- Implement TodoViewModel with CRUD operations, group management, and subtask handling
- Create TodoScreen with Kanban-style board view, group-based organization, and drag-to-reorder support
- Add BrainDumpSheet for AI-powered task extraction from natural language input using Gemini API
- Implement TodoNot

app/build.gradle.kts

@@ -92,6 +92,14 @@ ksp {
     arg("room.schemaLocation", "$projectDir/schemas")
 }
 
+hilt {
+    enableAggregatingTask = true
+}
+
+tasks.matching { it.name.startsWith("hiltJavaCompile") }.configureEach {
+    (this as JavaCompile).options.compilerArgs.addAll(listOf("-nowarn", "-Xlint:none"))
+}
+
 dependencies {
 
     implementation(libs.androidx.core.ktx)