feedline needs lib stuff, like realm does, but the app is its own thing

tsconfig.json

···
     // Path mapping to match Vite config
     "baseUrl": ".",
     "paths": {
+      "#app/*": ["./src/app/*"],
+      "#feedline/*": ["./src/feedline/*"],
       "#lib/*": ["./src/lib/*"],
       "#realm/*": ["./src/realm/*"],
-      "#feedline/*": ["./src/feedline/*"],
       "#spec/*": ["./src/spec/*"]
     },
 

vite.config.js

···
 // https://vite.dev/config/
 
 export default defineConfig({
-  root: './src/feedline',
+  root: './src/app',
   plugins: [
     devtools({autoname: true}),
     analyzer({analyzerMode: 'static'}),