v3.0.0 🎉

• Update package.json e7ce769
• Update package.json c6e22df
• Update package.json 19adaea
• Update README.md 402d9e5
• Merge pull request #6 from Brain-Development-and-Disorders-Lab/dev 6e63cc2
• Update README.md 5d7e2e2
• Refactor to jsPsych v7.0 cccc461

v2.1.1...v3.0.0