v0.1.13

Version 0.1.13 - Our Last Update Before Vuetify 2.0 update

• rename example-firebase folder to example-baas
• add mongo stitch to example-baas
• nuxt: add error loayout, handle dynamic route error on static pages
• vue3: https://github.com/vuejs/rfcs/blob/master/active-rfcs/0001-new-slot-syntax.md
• improvement: backend, add testing?
• chore: clean up and improve code when possible, bug fixes
• chore: package updates
• chore: monitor VuetifyJS 2 & VueJS 3 updates, start migration from beta release onwards