[Compressor] RLE Compressor implementation (#1671)

* [Solution] Project euler challenge 19 with tests

* update leap year function

* Remove unnecessary, confusingly placed comments

* [COMPRESSOR] RLE

* [COMPRESSOR] RLE style fixed

---------

Co-authored-by: Lars Müller <34514239+appgurueu@users.noreply.github.com>

Compression/test/RLE.test.js

@@ -0,0 +1,13 @@
+import { Compress, Decompress } from '../RLE'
+
+describe('Test RLE Compressor/Decompressor', () => {
+  it('Test - 1, Pass long repetitive strings', () => {
+    expect(Compress('AAAAAAAAAAAAAA')).toBe('14A')
+    expect(Compress('AAABBQQQQQFG')).toBe('3A2B5Q1F1G')
+  })
+
+  it('Test - 2, Pass compressed strings', () => {
+    expect(Decompress('14A')).toBe('AAAAAAAAAAAAAA')
+    expect(Decompress('3A2B5Q1F1G')).toBe('AAABBQQQQQFG')
+  })
+})