Lee Wonjoon

## Description Add option to position the legend at corner. The option uses `tui::layout::Corner` emum that already made. If the layout have axis title, the layout draw the legend position...

On [sourceforge download page](https://sourceforge.net/projects/editorconfig/files/EditorConfig-C-Core/), no update to v0.12.2. I found binaries, but they are v0.12.1. a below list need to update to latest editorconfig core - [Debian](https://packages.debian.org/stretch/editorconfig) = v0.12.1 -...