Update index.html and vite.config.ts for dynamic app name and manifest adjustments

- Replace static app name in index.html and use environment variable for dynamic title
- Update Vite configuration to reflect new app name and description
- Modify manifest icons for better clarity and organization
- Remove deprecated logo asset from the project

This commit enhances the app's configurability and aligns with the new branding strategy.

src/modules/market/composables/useMarket.ts

@@ -147,7 +147,7 @@ export function useMarket() {
           relays: config.nostr.relays,
           selected: true,
           opts: {
-            name: 'Ariège Market',
+            name: `${import.meta.env.VITE_APP_NAME} Market`,
             description: 'A communal market to sell your goods',
             merchants: [],
             ui: {}