Add more info to issue template

Closes #1655

Author: nhooyr

.github/issue_template.md

@@ -8,4 +8,11 @@ and include any logging information relevant to the issue.
 Please search for existing issues before filing.
 
 Please ensure you cannot reproduce on VS Code before filing.
+
+Please fill in the issue template or we will close your issue!
 -->
+
+- Web Browser: 
+- Local OS:
+- Remote OS:
+- code-server version: