Use new share URL structure for event URL

app/src/main/java/in/ac/iitb/gymkhana/iitbapp/ShareURLMaker.java

@@ -10,6 +10,6 @@ public final class ShareURLMaker {
     public static final String WEB_HOST = "https://instiapp.wncc-iitb.org/";
 
     public static final String getEventURL(Event event) {
-        return WEB_HOST + "event/" + event.getEventID();
+        return WEB_HOST + "event/" + event.getEventStrID();
     }
 }

app/src/main/java/in/ac/iitb/gymkhana/iitbapp/data/Event.java

@@ -18,6 +18,9 @@ public class Event {
     @ColumnInfo(name = "id")
     @SerializedName("id")
     String eventID;
+    @ColumnInfo(name = "str_id")
+    @SerializedName("str_id")
+    String eventStrID;
     @ColumnInfo(name = "name")
     @SerializedName("name")
     String eventName;
@@ -79,6 +82,14 @@ public class Event {
         this.eventID = eventID;
     }
 
+    public String getEventStrID() {
+        return eventStrID;
+    }
+
+    public void setEventStrID(String eventStrID) {
+        this.eventStrID = eventStrID;
+    }
+
     public String getEventName() {
         return eventName;
     }