fix: crisp import (#1016)

Fix datagouv/data.gouv.fr#1980

`crisp-api` broke when updating node or itself… It's seems to be a weird
package. Replace it with a few fetch calls.

Author: ThibaudDauce

nuxt.config.ts

@@ -228,9 +228,6 @@ export default defineNuxtConfig({
 
   nitro: {
     compressPublicAssets: true,
-    rollupConfig: {
-      external: ['crisp-api'],
-    },
   },
 
   vite: {

package.json

@@ -76,7 +76,6 @@
     "@vueuse/integrations": "^14.2.1",
     "@vueuse/nuxt": "^14.2.1",
     "@vueuse/router": "^14.2.1",
-    "crisp-api": "^10.9.1",
     "gray-matter": "^4.0.3",
     "leaflet": "^1.9.4",
     "lodash-es": "^4.17.23",