Provide config.yml to provide control over GitHub issue templates. Disable blank issues, add security and docs reporting links. (#8040)

* Add issue config.yml to provide control over issues. Remove the blank issue report, add security and docs issue reporting guidance

Signed-off-by: Pip Potter <[email protected]>

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,9 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Security Vulnerabilities
+    about: Report a security issue in O3DE. See the O3DE security policy for reporting guidance
+    url: https://www.o3de.org/docs/contributing/security
+  - name: Documentation Issues
+    about: Report issues with the documentation for O3DE
+    url: https://github.com/o3de/o3de.org/issues/new/choose 
+