[x] The configuration format has been changed to TOML
[x] Attachments can now be opened using default application using the default keybinding Rune[o] (can be customized from the configuration file)
[x] A default configuration is no longer created at startup; instead, default are used if the configuration file is not present
[x] The show_image keybinding has been removed and open keybinding has been added; open opens all of the attachments of the message in OS-specific default application
[x] Check applicable permissions while deleting a message. (Thanks @pronoob for reporting)
Rune[o](can be customized from the configuration file)show_imagekeybinding has been removed andopenkeybinding has been added;openopens all of the attachments of the message in OS-specific default applicationCloses #282