merge: Add FindMin (#849)

Maths/test/FindMin.test.js

@@ -0,0 +1,18 @@
+import { findMin } from '../FindMin'
+
+describe('FindMin', () => {
+  test('Should return the minimum number in the array', () => {
+    const min = findMin(2, 5, 1, 12, 43, 1, 9)
+    expect(min).toBe(1)
+  })
+
+  test('Should return the minimum number in the array', () => {
+    const min = findMin(21, 513, 6)
+    expect(min).toBe(6)
+  })
+
+  test('Should throw error', () => {
+    const min = () => findMin()
+    expect(min).toThrow('Array is empty')
+  })
+})