Chat example with UI, WS, and HTTP

[willbach]

This PR adds a simple UI to the chat example for a full web app served by a node. The app includes both two-way websocket calls and HTTP requests (GET & POST) on both frontend and backend.

[nick1udwig]

I get

$ uqdev build-with-ui
Compiling Uqbar process in "/home/nick/git/uqbar-v2/uqdev/foo/foo"...
   Compiling foo v0.1.0 (/home/nick/git/uqbar-v2/uqdev/foo/foo)
    Finished release [optimized] target(s) in 2.24s
Done compiling WASM project in "/home/nick/git/uqbar-v2/uqdev/foo/foo".
Building UI in "/home/nick/git/uqbar-v2/uqdev/foo/ui"...
UI directory found, running npm install...

changed 1 package, and audited 224 packages in 456ms

42 packages are looking for funding
  run `npm fund` for details

found 0 vulnerabilities
Running npm run build:copy...

> ui-template@0.0.0 build:copy
> npm run build && npm run copy


> ui-template@0.0.0 build
> tsc && vite build

src/App.tsx:4:31 - error TS2307: Cannot find module '@uqbar/client-encryptor-api' or its corresponding type declarations.

4 import UqbarEncryptorApi from "@uqbar/client-encryptor-api";
                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


Found 1 error in src/App.tsx:4

Error: Command failed

after updating my node and npm versions

[nick1udwig]

As mentioned above, this is not currently working for me. Added some comments as well.

[nick1udwig]

Really nice work 👍