Update issue templates to clarify event submission details and enhance organization links

Author: SableRaf

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +1,5 @@
 blank_issues_enabled: false
 contact_links:
-  - name: General PCD discussion
+  - name: Call for Organizers (forum thread)
     url: https://discourse.processing.org/t/pcd-worldwide-2026/48081
     about: Use the forum thread for general questions or discussion about PCD

.github/ISSUE_TEMPLATE/new-event.yml

@@ -1,6 +1,6 @@
-name: New Event
-description: Submit a new Processing Community Day event to the map.
-title: "[New Event]: "
+name: 📍 New Event
+description: Submit a new PCD event to the map.
+title: "New Event: "
 labels:
   - New Event
   - Needs Review