add a contact link to discord

.github/ISSUE_TEMPLATE/config.yml

-blank_issues_enabled: false
+blank_issues_enabled: false
\ No newline at end of file
+contact_links:
+  - name: Support
+    url: https://discord.gg/EwFs3Pp
+    about: Please ask and answer questions here

.github/ISSUE_TEMPLATE/something-else.md

----
-name: Something Else
-about: Tell us something else
-title: ''
-labels: ''
-assignees: ''
----
-
-<!-- 
-DO NOT CREATE A TOKEN LISTING REQUEST IN THIS REPOSITORY.
-YOUR ISSUE WILL BE DELETED. 
-SEE https://github.com/Uniswap/default-token-list#adding-a-token
-
-IF YOU NEED SUPPORT, JOIN THE DISCORD: https://discord.com/invite/EwFs3Pp
--->
-
-
-