Add perspective.el support (#91)

Added basic support for the perspective.el package [1].

[1]: https://github.com/nex3/perspective-el

Resolves GH-86

Co-authored-by: Arctic Ice Studio <development@arcticicestudio.com>
Co-authored-by: Sven Greb <development@svengreb.de>

nord-theme.el

@@ -707,7 +707,11 @@
     `(ivy-minibuffer-match-face-4 ((,class (:background ,nord9 :foreground ,nord0))))
     `(ivy-remote ((,class (:foreground ,nord14))))
     `(ivy-posframe ((,class (:background ,nord1))))
-    `(ivy-posframe-border ((,class (:background ,nord1))))))
+    `(ivy-posframe-border ((,class (:background ,nord1))))
+    `(ivy-remote ((,class (:foreground ,nord14))))
+
+    ;; > perspective
+    `(persp-selected-face ((,class (:foreground ,nord8 :weight bold))))))
 
 ;;;###autoload
 (when (and (boundp 'custom-theme-load-path) load-file-name)