feat: remove tasklist ts declaration and remove tasklist dependency

src/declaration.d.ts

@@ -1,13 +0,0 @@
-declare module "tasklist" {
-  interface Task {
-    imageName: string;
-    pid: number;
-    sessionName: string;
-    sessionNumber: number;
-    memUsage: number;
-  }
-
-  function tasklist(): Promise<Task[]>;
-
-  export { tasklist };
-}