Emojis and donate link

.github/ISSUE_TEMPLATE/config.yml

@@ -1,17 +1,20 @@
 blank_issues_enabled: false
 contact_links:
-  - name: Marlin Documentation
+  - name: 📖 Marlin Documentation
     url: http://marlinfw.org/
     about: Lots of documentation on installing and using Marlin.
-  - name: MarlinFirmware Facebook group
+  - name: 👤 MarlinFirmware Facebook group
     url: https://www.facebook.com/groups/1049718498464482
     about: Please ask and answer questions here.
-  - name: Marlin on Discord
+  - name: 🕹 Marlin on Discord
     url: https://discord.gg/n5NJ59y
     about: Join the Discord server for support and discussion.
-  - name: Marlin Discussion Forum
+  - name: 🔗 Marlin Discussion Forum
     url: http://forums.reprap.org/list.php?415
     about: A searchable web forum hosted by RepRap dot org.
-  - name: Marlin Videos on YouTube
+  - name: 📺 Marlin Videos on YouTube
     url: https://www.youtube.com/results?search_query=marlin+firmware
     about: Tutorials and more from Marlin users all around the world. Great for new users!
+  - name: 💸 Want to donate?
+    url: https://www.thinkyhead.com/donate-to-marlin
+    about: Please take a look at the various options to support Marlin Firmware's development financially!