v0.18.0

• NEW Orthography.direction - indicates the text direction for the orthography (#89)
• NEW Adds a recommended type field to most objects (#88)
• NEW Language.names - a list of names for the language, as simple strings (#87)
• CHANGED Language.name - marked as deprecated and will be removed in the next release
• CHANGED Language.additionalNames - marked as deprecated and will be removed in the next release
• CHANGED Version bump: v0.18.0
• CHANGED Rename Url schema to URL (#99)
• DEV Use npm rather than yarn (#94)
• DOCS Create contributing guidelines (#90)
• DOCS Add project info to README.md (#91)
• DOCS link to GitHub profile rather than email