Improve the log-development setting documentation (#491)

* Add `log-development` documentation to `config.yaml`

* Improve `--help` output for `--log-development`

* Add changelog entry

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Breaking: Remove the `/twitchemotes/` endpoints. See [issue 332](https://github.com/Chatterino/api/issues/332) for more information. (#465)
 - Fix: We do some more YouTube video ID parsing to ensure broken links (such as `youtube.com/watch?v=foobar?feature=share`) still return the actual video ID, since this is how the browser operates. (#488)
+- Dev: Document the `log-development` setting. (#491)
 
 ## 2.0.2
 

config.yaml

@@ -97,3 +97,7 @@
 
 # Cache duration for Wikipedia article links
 #wikipedia-article-cache-duration: 1h
+
+# Enables much more verbose logging, useful for debugging.
+# This makes all log messages include a stack trace to see where they were called from.
+#log-development: false

pkg/config/config.go

@@ -84,7 +84,7 @@ func init() {
 	pflag.Duration("youtube-channel-cache-duration", 48*time.Hour, "Cache timeout for youtube channels")
 	pflag.Duration("youtube-video-cache-duration", 48*time.Hour, "Cache timeout for youtube videos")
 	pflag.String("log-level", "info", "Log level")
-	pflag.Bool("log-development", false, "Enable development logging for warnings and above, this includes stack traces")
+	pflag.Bool("log-development", false, "Enables much more verbose logging, useful for debugging. This makes all log messages include a stack trace to see where they were called from.")
 	pflag.String("discord-token", "", "Discord token")
 	pflag.String("twitch-client-id", "", "Twitch client ID")
 	pflag.String("twitch-client-secret", "", "Twitch client secret")