Release 1.5.0

• Fix CI release script #Minor re-release (26292eb)
• Merge pull request #14 from ShabadOS/shahmukhi #Minor release (f70ba2f)
• Add string of random words to test regex Shahmukhi replacement (87c111d)
• Correct shahmukhi regex to not count spaces (012c29c)
• Remove use of negative lookup (f7cd546)
• Add build step to CI config (a11bff3)
• Update tests for new Shahmukhi rules (2af6bcc)
• Add replacement rule to remove trailing ੁ and ਿ for pronunciation (16f5893)
• Update eslint from ^4.9.0 to ^5.4.0 (2f76edc)
• Merge mappings into toShahmukhi.js (4ed855d)
• Use mappings directly as there are no rules (ff28295)
• Add newline to Shahmukhi Files (fb02104)
• Add Shahmukhi Transliteration with Tests and Docs (4109f1f)