Add Server Side Rendering research and demos

[brandon93s]

Criteria: SSR
Candidates: All

• Angular
• React
• Vue

[brandon93s]

Basic examples added for Vue.js. Vue still needs an end-to-end example showing how a pre-render on the server can hand off rendering to a Vue instance in the browser for SPA functionality.

[brandon93s]

Examples added for react. Includes an example using next.js to show a universal app.

[brandon93s]

Vue still needs an end-to-end example showing how a pre-render on the server can hand off rendering to a Vue instance in the browser for SPA functionality

nuxt.js example added for this.

[brandon93s]

Angular Universal is angular's officially supported solution for SSR.