Get up and running on Dito 0.150

[puckey]

• auth: add users model / controller to admin
• auth: add users property to DitoAdmin
• auth: seed user with login: ditojs & password: ditojs
• build: update babel
• build: replace preset-stage-1 with @ditojs/babel-preset
• build: include missing ‘current-script-polyfill’ dependency
• build: replace dynamic-import-node-babel-7 with dynamic-import-node
• build: add corejs 3
• DitoAdmin: instantiate using new keyword
• DitoAdmin: include views using dynamic import (otherwise it complains about the type being a Module)
• dummies view: fix render functions and add resource
• config: fix build path
• readme: add login instructions

[lehni]

Very cool! Looks perfect as is, merging right away!