fix #20344: add config for doc

public/config/config.json.sample

@@ -37,6 +37,7 @@
         "PROVIDER": "addok"
     },
     "DISPLAY_FORBIDDEN_PROJECTS": true,
-    "DISPLAY_FORBIDDEN_PROJECTS_DEFAULT": true
+    "DISPLAY_FORBIDDEN_PROJECTS_DEFAULT": true,
+    "VUE_APP_URL_DOCUMENTATION": "https://www.onegeosuite.fr/docs/module-geocontrib/intro"
     
 }
\ No newline at end of file

src/components/Project/Detail/ProjectFeatureTypes.vue

@@ -429,7 +429,8 @@ export default {
     },
 
     goToDocumentation() {
-      window.open('https://geocontrib.readthedocs.io/fr/latest/documentation_fonctionnelle/import_export/');
+      
+      window.open(this.configuration.VUE_APP_URL_DOCUMENTATION);
     },
 
     toNewGeojsonFeatureType() {