Add path to coder-logs in 'How do I debug...' section

'How do I debub issues with code-server?` section of FAQ listed the logs for VS Code for coder#2. This commit includes the log location for code-server.

Author: csaska

doc/FAQ.md

@@ -232,7 +232,7 @@ code-server --log debug
 Once this is done, replicate the issue you're having then collect logging
 information from the following places:
 
-1. stdout
+1. The most recent files from `~/.local/share/code-server/coder-logs`.
 2. The most recently created directory in the `~/.local/share/code-server/logs` directory.
 3. The browser console and network tabs.