Add acronym rule

v0.2.0 Add acronym rule

Add rule to enforce that acronyms are defined on first use. GDS technical writer have agreed on an initial list of exceptions

v0.1.0: Merge pull request #2 from alphagov/v0-1-0

v0.1.0

New features

• Begin versioning for updates to this repo
• Existing rule set has been replaced with a single well-agreed rule, so that errors are not raised when the linter is added to a new repository
• Rule upholds branding standards for product

Initial Release

Initial Release to address a common misspelling of One Login.