GitAI 0.1.4

• Updates for compatibility with S7 > 0.2.2.
• Updates the development dependency stack for current R releases.

GitAI 0.1.3

• Fixes for CRAN.
• Adjust to new ellmer release (0.4.0).

GitAI 0.1.2

• Added GitHub URL to DESCRIPTION.

GitAI 0.1.1

• Fixed tests to make them work with ellmer 0.2.0.
• Added a NEWS.md file to track changes to the package.