Add tooltip hint for default projects column

Author: DrMaxNix

options/locale/locale_en-US.ini

@@ -1482,6 +1482,7 @@ projects.column.new_submit = "Create Column"
 projects.column.new = "New Column"
 projects.column.set_default = "Set Default"
 projects.column.set_default_desc = "Set this column as default for uncategorized issues and pulls"
+projects.column.default_column_hint = "New issues added to this project will be added to this column"
 projects.column.delete = "Delete Column"
 projects.column.deletion_desc = "Deleting a project column moves all related issues to the default column. Continue?"
 projects.column.color = "Color"

templates/projects/view.tmpl

@@ -78,7 +78,7 @@
 					<div class="ui circular label project-column-issue-count">
 						{{.NumIssues}}
 					</div>
-					<div class="project-column-title-text flex-text-inline gt-ellipsis">
+					<div class="project-column-title-text flex-text-inline gt-ellipsis" {{if .Default}}data-tooltip-content="{{ctx.Locale.Tr "repo.projects.column.default_column_hint"}}"{{end}}>
 						{{if .Default}}{{svg "octicon-star"}} {{end}}{{.Title}}
 					</div>
 					{{if $canWriteProject}}