* Adding prompts (simple, complex, with completions)
* Add prompts/simple.ts
- in addSimplePrompt()
- register a simple prompt with no arguments
* Add prompts/complex.ts
- in addComplexPrompt()
- define promptArgsSchema containing a required city arg of type string and an optional state arg of type state
- register the complex prompt with a prompt callback that combines the city and state into a prompt asking for the weather in that location
* Add prompts/completions.ts
- in addPromptWithCompletions()
- define promptArgsSchema containing department and name string fields with completion handlers
- register the completable prompt with a prompt callback that combines the inputs into a prompt asking to promote the selected name to head of the selected department
* Add prompts/index.ts
- import addSimplePrompt, addComplexPrompt, and addPromptWithCompletions
- export registerPrompts function
- in registerPrompts()
- call addSimplePrompt
- call addComplexPrompt
- call addPromptWithCompletions
* In package.json
- add prettier devDependency
- add prettier:check script
- add prettier:fix script
- in build script, copy docs folder to dist
* All other changes were prettier formatting
