feat(tasks): adds raises task

src/tasks/create/index.ts

@@ -2,4 +2,5 @@ export * from './clear';
 export * from './exec';
 export * from './log';
 export * from './print';
+export * from './raises';
 export * from './sleep';

src/tasks/create/raises.ts

@@ -0,0 +1,8 @@
+import { Task, Context } from '../../definitions';
+import { UnaryFn } from 'type-core';
+
+export function raises(error: Error | UnaryFn<Context, Error>): Task.Sync {
+  return (ctx: Context): void => {
+    throw typeof error === 'function' ? error(ctx) : error;
+  };
+}