feat(Modules): Add always and identity

__tests__/modules/always.test.js

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+import always from '../../modules/always'
+
+describe('always', () => {
+  test('returns a function that always returns the passed value', () => {
+    const always5 = always(5)
+
+    expect(always5()).toBe(5)
+  })
+})

__tests__/modules/identity.test.js

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+import identity from '../../modules/identity'
+
+describe('identity', () => {
+  test('returns the value passed', () => {
+    const val = {}
+    const result = identity(val)
+
+    expect(result).toBe(val)
+  })
+})

modules/always.js

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+const always = v => () => v
+
+export default always

modules/identity.js

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+const identity = s => s
+
+export default identity