Migrating from itty router openapi

• install latest version
• install latest itty-router version (npm install itty-router@latest --save)
• replace your current router instance
• from: const router = OpenAPIRouter({...})
• to: const router = fromIttyRouter(Router(), {...})
• remove the new from all "legacy type" call from new Str(...) into Str(...)
• remove the data argument from your endpoint's handle function
• from: async handle(request: Request, env: Env, ctx: Context, data: any) {...}
• to: async handle(request: Request, env: Env, ctx: Context) {...}
• add this variable to the first line of your endpoint handle function const data = await this.getValidatedData<typeof this.schema>()
• remove the static keyword from the endpoints schema property from:static schema to: schema
• move query parameters from schema.parameters.query into schema.request.query
• move path parameters from schema.parameters.path into schema.request.params
• move headers parameters from schema.parameters.headers into schema.request.headers
• wrap your query, headers and params into a zod object z.object({...})
• move you schema.requestBody into schema.request.body: contentJson(z.object({...params.newModel}))
• wrap all schema.responses into contentJson({...old_response_here}})