add smerge background color adjustments

Author: TheJJ

starlit-theme.el

@@ -66,11 +66,14 @@ Each element has the form (NAME . HEX).")
         ("cyan"                        . "#30f2f1")
         ("shadow"                      . "#cdc9c9")
         ("comment"                     . "#969896")
-        ("greendark"                   . "#155903")
+        ("backgroundgreen"             . "#193a26")
+        ("backgroundgreenhighlight"    . "#136102")
         ("aqua"                        . "#70c0b1")
         ("greenlight"                  . "#4df094")
         ("green"                       . "#a2cd5a")
         ("purple"                      . "#b387d8")
+        ("backgroundred"               . "#522621")
+        ("backgroundredhighlight"      . "#7c1224")
         ("redhighlight"                . "#ee0212")
         ("red"                         . "#de4e53")
         ("softred"                     . "#f08080")
@@ -223,7 +226,7 @@ in the theme."
        `(helm-ff-file ((,colorful (:foreground ,.foreground))))
        `(helm-ff-file-extension ((,colorful (:foreground ,.white))))
        `(helm-ff-directory ((,colorful (:foreground ,.bluelight :weight bold))))
-       `(helm-selection ((,colorful (:background ,.greendark))))
+       `(helm-selection ((,colorful (:background ,.backgroundgreenhighlight))))
        `(helm-selection-line ((,colorful (:inherit highlight))))
        `(helm-source-header ((,colorful (:inherit helm-header :foreground ,.foreground :background ,.bluedark :weight bold :box nil :height 1.2 :extend t))))
        `(highlight ((,colorful (:inverse-video nil :background ,.current-line))))
@@ -336,6 +339,10 @@ in the theme."
        `(slime-repl-output-face ((,colorful (:foreground ,.blue :background ,.background))))
        `(slime-repl-prompt-face ((,colorful (:underline nil :weight bold :foreground ,.purple))))
        `(slime-repl-result-face ((,colorful (:foreground ,.green))))
+       `(smerge-lower ((,colorful (:background ,.backgroundgreen))))
+       `(smerge-refined-added ((,colorful (:background ,.backgroundgreenhighlight))))
+       `(smerge-refined-removed ((,colorful (:background ,.backgroundredhighlight))))
+       `(smerge-upper ((,colorful (:background ,.backgroundred))))
        `(sp-show-pair-match-face ((,colorful (:foreground nil :background nil :inherit show-paren-match))))
        `(sp-show-pair-mismatch-face ((,colorful (:foreground nil :background nil :inherit show-paren-mismatch))))
        `(term ((,colorful (:foreground nil :background nil :inherit default))))