chore: merge "Dice" (#703)

* feat: add dice coefficient

* chore: link to wikipedia article

* chore: convert to esm

* refactor: add tests

* chore: formatting

String/test/DiceCoefficient.test.js

@@ -0,0 +1,21 @@
+import { diceCoefficient } from '../DiceCoefficient'
+
+describe('diceCoefficient', () => {
+  it('should calculate edit distance between two strings', () => {
+    // equal strings return 1 (max possible value)
+    expect(diceCoefficient('abc', 'abc')).toBe(1)
+    expect(diceCoefficient('', '')).toBe(1)
+
+    // string length needs to be atleast 2 (unless equal)
+    expect(diceCoefficient('a', '')).toBe(0)
+    expect(diceCoefficient('', 'a')).toBe(0)
+
+    expect(diceCoefficient('skate', 'ate')).toBe(0.66)
+
+    expect(diceCoefficient('money', 'honey')).toBe(0.75)
+
+    expect(diceCoefficient('love', 'hate')).toBe(0)
+
+    expect(diceCoefficient('skilled', 'killed')).toBe(0.9)
+  })
+})