Release 2.2.0

• Switch to Basics of Sikhi Transliterations (#112) (e44322c)
• fix(english): 'jeeo' instead of 'jeeau' (9bbe968)
• test(english): update tests to pass checks (e904eaa)
• fix(english): remove unused prevLetter parameter (bba9ac8)
• fix(english): update to closely match BoS translit (1eae200)
• test(toEnglish): update to BoS translit from @preetcharan (9c8e577)
• test(english): update tests for BoS translit (fe100c7)
• fix(english): update rules for BoS transliteration (db4cfed)
• fix(english): restore space mapping (14b9e6d)
• feat(english): switch to Basics of Sikhi key map (94958cf)