Teams integration: webhook messaging + configuración en Settings + plugin-http

- @tauri-apps/plugin-http instalado (npm + Cargo.toml + capabilities)
- src-tauri/src/main.rs: registrado tauri_plugin_http::init()
- services/teams.ts: servicio para enviar mensajes Teams via webhook
  soporta Tauri plugin y browser fetch con fallback automático
  incluye notifyHUCreated, notifyBlockerLogged, sendTestMessage
- SettingsView: nueva sección Teams con input de webhook URL + botón test
- ChartAreaInteractive.vue: removido import no usado (@unovis/vue)

package.json

@@ -18,6 +18,7 @@
     "@tanstack/vue-table": "^8.21.3",
     "@tauri-apps/api": "^2.11.0",
     "@tauri-apps/cli": "^2.11.2",
+    "@tauri-apps/plugin-http": "^2.5.9",
     "@vueuse/core": "^14.3.0",
     "ag-grid-community": "^35.3.0",
     "ag-grid-vue3": "^35.3.0",