feat: add vitest, vite, move to tdd

src/ports.ts

@@ -0,0 +1,26 @@
+import { Task } from "@/model/task";
+
+export interface IFileSystem {
+	readFile(path: string): Promise<string>;
+	writeFile(path: string, content: string): Promise<void>;
+	deleteFile(path: string): Promise<void>;
+	readdir(path: string): Promise<string[]>;
+	mkdir(path: string): Promise<void>;
+}
+
+export interface ITaskRepository {
+	list(folderPath: string): Promise<Task[]>;
+	getById(folderPath: string, id: string): Promise<Task | undefined>;
+	create(
+		folderPath: string,
+		task: Omit<Task, "id" | "created" | "updated">,
+	): Promise<Task>;
+	update(folderPath: string, task: Task): Promise<void>;
+	delete(folderPath: string, id: string): Promise<void>;
+}
+
+export interface IConfigProvider {
+	getProjectTaskPath(): string | undefined;
+	getGlobalTaskPath(): string | undefined;
+	getFileExtension(): string;
+}