Update Acme and Nord Light for git gutters (#4999)

* Update acme.toml

* Update nord_light.toml

* Update runtime/themes/nord_light.toml

Co-authored-by: Blaž Hrastnik <blaz@mxxn.io>

* Update acme.toml

Co-authored-by: Blaž Hrastnik <blaz@mxxn.io>

runtime/themes/acme.toml

@@ -22,6 +22,9 @@
 "diagnostic.hint" = {bg="white", modifiers=["bold"]}
 "ui.bufferline" = { fg = "indent", bg = "acme_bar_bg" }
 "ui.bufferline.active" = { fg = "black", bg = "acme_bg" }
+"diff.plus" = {fg = "green"}
+"diff.delta" = {fg = "acme_bar_bg"}
+"diff.minus" = {fg = "red"}
 
 [palette]
 white = "#ffffff"

runtime/themes/nord_light.toml

@@ -58,6 +58,10 @@
 "markup.link.text" = {fg="nord12"}
 "markup.quote" = {fg="nord3", modifiers=["italic"]}
 
+"diff.plus" = {fg = "nord14"}
+"diff.delta" = {fg = "nord13"}
+"diff.minus" = {fg = "nord11"}
+
 
 [palette]
 nord0 = "#2E3440"