Add argo-france and knowmad in piwikHelper

src/app/utils/piwikHelper.ts

@@ -1,5 +1,5 @@
 export class PiwikHelper{
-  public static siteIDs={
+  public static siteIDs = {
     "dh-ch":81,
     "sdsn-gr":82,
     "egi":83,
@@ -35,7 +35,9 @@ export class PiwikHelper{
     "north-america-studies": 609,
     "iperionhs":610,
     "neanias-atmospheric": 613,
-    "forthem": 625
+    "forthem": 625,
+    "argo-france": 634,
+    "knowmad": 640
   };
   public static getSiteId(communityId:string){
     return this.siteIDs[communityId];