Improve help section

Signed-off-by: Michael Sverdlov <[email protected]>

docs/artifactory/buildaddgit/help.go

@@ -3,7 +3,11 @@ package buildaddgit
 var Usage = []string{"rt bag [command options] <build name> <build number> [Path To .git]"}
 
 func GetDescription() string {
-	return "Collect VCS details from git and add them to a build."
+	return "Collects the Git revision and URL from the local .git directory and adds it to the build-info.\n" +
+		"It can also collect the list of tracked project issues (for example, issues stored in JIRA or other bug tracking systems) and add them to the build-info.\n" +
+		"The issues are collected by reading the git commit messages from the local git log.\n" +
+		"Each commit message is matched against a pre-configured regular expression, which retrieves the issue ID and issue summary.\n" +
+		"The information required for collecting the issues is retrieved from a yaml configuration file provided to the command."
 }
 
 func GetArguments() string {