This PR adds a simple config option to disable or enable tree lines in the workbench's sidebar tree.

(This also adds the missing description for the option _"Expand on hover"_ to the README file) You can view, comment on, or merge this pull request online at:

https://github.com/geany/geany-plugins/pull/869

-- Commit Summary --

* workbench: added option to enable or disable tree lines

-- File Changes --

M workbench/README (8) M workbench/src/dialogs.c (25) M workbench/src/plugin_main.c (2) M workbench/src/sidebar.c (3) M workbench/src/workbench.c (48) M workbench/src/workbench.h (2)

-- Patch Links --

https://github.com/geany/geany-plugins/pull/869.patch https://github.com/geany/geany-plugins/pull/869.diff