Fix hanging js scripts with async false

public/centropais/index.html

@@ -192,10 +192,13 @@
             let script2 = document.createElement('script');
             let script3 = document.createElement('script');
             script1.src = "../js/centropais_functions.js";
+            script1.async = false;
             body.appendChild(script1);
             script2.src = "../js/centropais_basemap.js";
+            script2.async = false;
             body.appendChild(script2);
             script3.src = "../js/centropais_charts.js";
+            script3.async = false;
             body.appendChild(script3);
         });
 
@@ -204,7 +207,9 @@
             let script1 = document.createElement('script');
             let script2 = document.createElement('script');
             script1.src = "../js/evolucion_urbana.js";
+            script1.async = false;
             script2.src = "../js/evolucion_urbana_charts.js";
+            script2.async = false;
             body.appendChild(script1);
             body.appendChild(script2);
         });
@@ -213,6 +218,7 @@
             let body = document.getElementsByTagName('body')[0];
             let script = document.createElement('script');
             script.src = "../js/centropais_periurbano.js";
+            script.async = false;
             body.appendChild(script);
         });
     </script>