add scoped autoload and sensible dependencies

[mcollina]

Fixes #483

Checklist

• run npm run test and npm run benchmark
• tests and/or benchmarks are included
• commit message and code follows the Developer's Certification of Origin
  and the Code of conduct

[climba03003]

I think you missing update the of generate.js.

fastify-cli/generate.js

Lines 24 to 30 in 5ab4e56

	dependencies: {
	fastify: cliPkg.dependencies.fastify,
	'fastify-plugin': cliPkg.devDependencies['fastify-plugin'] || cliPkg.dependencies['fastify-plugin'],
	'fastify-autoload': cliPkg.devDependencies['fastify-autoload'],
	'fastify-sensible': cliPkg.devDependencies['fastify-sensible'],
	'fastify-cli': '^' + cliPkg.version
	},

fastify-cli/generate.js

Lines 53 to 59 in 5ab4e56

	dependencies: {
	fastify: cliPkg.dependencies.fastify,
	'fastify-plugin': cliPkg.devDependencies['fastify-plugin'] || cliPkg.dependencies['fastify-plugin'],
	'fastify-autoload': cliPkg.devDependencies['fastify-autoload'],
	'fastify-sensible': cliPkg.devDependencies['fastify-sensible'],
	'fastify-cli': '^' + cliPkg.version
	},

[mcollina]

I didn't commit the changes. Lol.

[climba03003]

LGTM.