allow multiple urls in connected sites question

compendium_v2/conversion/mapping.py

@@ -94,7 +94,7 @@ id_to_name = {
     16762: "crisis_management_procedure",  # "Yes" "No"
     16763: "crisis_exercises",  # json list with double quotes  ["We participate in GEANT Crisis workshops such as CLAW","No, we have not done any crisis exercises or trainings","We participated in National crisis exercises ","We had a real crisis","We run our own simulation exercises","We run our own tabletop exercises","We have done/participated in other exercises or trainings"]
 
-    16507: "connected_sites_list",  # json list with double quotes  NB the new situation allows only 1 single entry  TODO change to list like some of the other questions
+    16507: "connected_sites_lists[]:connected_sites_url",  # json list with double quotes
     16509: "connectivity_proportions:cultural:nr_connected",
     16510: "connectivity_proportions:universities:nr_connected",
     16511: "connectivity_proportions:secondary_schools:nr_connected",

compendium_v2/routes/survey_model.json

@@ -778,17 +778,26 @@
      "name": "panel2",
      "elements": [
       {
-       "type": "text",
-       "name": "connected_sites_list",
-       "title": "Please provide a URL that lists the sites that are connected to the NREN, if available:",
-       "inputType": "url",
-       "validators": [
+       "type": "matrixdynamic",
+       "name": "connected_sites_lists",
+       "title": "Please provide the URLs that lists the sites that are connected to the NREN, if available:",
+       "columns": [
         {
-         "type": "regex",
-         "text": "Please provide a single valid url",
-         "regex": "^(https?:\\/\\/)?([\\da-zA-Z\\.-]+\\.[a-zA-Z\\.]{2,6}|[\\d\\.]+)([\\/:?=&#%]{1}[\\d_a-zA-Z\\.-]+)*[\\/\\?]?$"
+         "name": "connected_sites_url",
+         "title": "Url:",
+         "cellType": "text",
+         "inputType": "url",
+         "validators": [
+          {
+           "type": "regex",
+           "text": "Please provide a single valid url",
+           "regex": "^(https?:\\/\\/)?([\\da-zA-Z\\.-]+\\.[a-zA-Z\\.]{2,6}|[\\d\\.]+)([\\/:?=&#%]{1}[\\d_a-zA-Z\\.-]+)*[\\/\\?]?$"
+          }
+         ]
         }
-       ]
+       ],
+       "rowCount": 1,
+       "maxRowCount": 50
       },
       {
        "type": "matrixdropdown",