Add label descriptions (#3662)

* Add label descriptions

* Add default descriptions to label template

options/label/Default

@@ -1,7 +1,7 @@
-#ee0701 bug
-#cccccc duplicate
-#84b6eb enhancement
-#128a0c help wanted
-#e6e6e6 invalid
-#cc317c question
-#ffffff wontfix
+#ee0701 bug ; Something is not working
+#cccccc duplicate ; This issue or pull request already exists
+#84b6eb enhancement ; New feature
+#128a0c help wanted ; Need some help
+#e6e6e6 invalid ; Something is wrong
+#cc317c question ; More information is needed
+#ffffff wontfix ; This won't be fixed

options/locale/locale_en-US.ini

@@ -627,6 +627,7 @@ issues.no_ref = No Branch/Tag Specified
 issues.create = Create Issue
 issues.new_label = New Label
 issues.new_label_placeholder = Label name…
+issues.new_label_desc_placeholder = Description…
 issues.create_label = Create Label
 issues.label_templates.title = Load a predefined set of labels
 issues.label_templates.info = There are not any labels yet. You can click on the "New Label" button above to create one or use a predefined set below.
@@ -697,6 +698,7 @@ issues.edit = Edit
 issues.cancel = Cancel
 issues.save = Save
 issues.label_title = Label name
+issues.label_description = Label description
 issues.label_color = Label color
 issues.label_count = %d labels
 issues.label_open_issues = %d open issues