feat(GimmeTime): Add new time() function that generates a random time

__tests__/time.test.js

@@ -0,0 +1,18 @@
+import gimme from '../src/functions/time';
+import GimmeError from '../src/models/GimmeError';
+
+describe('gimme.time()', () => {
+  it('should return a string', () => {
+    const result = gimme.time();
+    expect(
+      typeof result,
+      `should be type string. Got: ${typeof result}`
+    ).toEqual('string');
+  });
+
+  it.todo('when period is false, it should match the HH:MM format');
+  it.todo(
+    'when period is false, single digit hours should have a zero prepended to it'
+  );
+  it.todo('single digit minutes should have a zero prepended to it');
+});