PoC: create test application with single-spa #31
Description
Implement more applications into single-spa-test with this concept:
- start with the html 1 part
- how to implement more html based applications
- implement "push" between two applications
- implement 2 angular applications
- angular 11 and angular.js
- implement "push" between two applications
- create navbar to switch between applications
- implement 3rd view with angular and html application
- implement "push" between two applications
- create 4th view with different layout
- implement "push" and "pull" functionality