feat(sets): add kanagawa dragon color set

lua/mellifluous/colors/init.lua

@@ -6,6 +6,7 @@ function M.get_color_sets_table()
         alduin = 2,
         mountain = 3,
         tender = 4,
+        kanagawa_dragon = 5,
     }
 end
 

lua/mellifluous/colors/sets/kanagawa_dragon.lua

@@ -0,0 +1,71 @@
+local M = {}
+local color = require('mellifluous.color')
+
+function M.get_bg_dark()
+    return color.new('#181616')
+end
+
+function M.get_colors_dark(bg)
+    local fg = bg:lightened(75)
+    local dragonWhite = color.new("#c5c9c5")
+    -- local fg = dragonWhite
+
+    local dragonBlack0 = color.new("#0d0c0c")
+    local dragonBlack1 = color.new("#12120f")
+    local dragonBlack2 = color.new("#1D1C19")
+    local dragonBlack3 = color.new("#181616")
+    local dragonBlack4 = color.new("#282727")
+    local dragonBlack5 = color.new("#393836")
+    local dragonBlack6 = color.new("#625e5a")
+
+    local dragonGreen = color.new("#87a987")
+    local dragonGreen2 = color.new("#8a9a7b")
+    local dragonPink = color.new("#a292a3")
+    local dragonOrange = color.new("#b6927b")
+    local dragonOrange2 = color.new("#b98d7b")
+    local dragonGray = color.new("#a6a69c")
+    local dragonGray2 = color.new("#9e9b93")
+    local dragonGray3 = color.new("#7a8382")
+    local dragonBlue2 = color.new("#8ba4b0")
+    local dragonViolet = color.new("#8992a7")
+    local dragonRed = color.new("#c4746e")
+    local dragonAqua = color.new("#8ea4a2")
+    local dragonAsh = color.new("#737c73")
+    local dragonTeal = color.new("#949fb5")
+    local dragonYellow = color.new("#c4b28a")
+
+    return {
+        main_keywords = dragonRed,
+        other_keywords = dragonViolet, -- original-like
+        -- other_keywords = dragonOrange2, -- mellifluous-like
+        types = dragonAqua, -- original-like
+        -- types = dragonOrange, -- mellifluous-like
+        operators = dragonGray2,
+        -- strings = dragonGreen, -- original-like
+        strings = dragonYellow, -- mellifluous-like
+        functions = dragonBlue2,
+        constants = dragonOrange, -- used for constants
+        -- constants = dragonPink, -- used for numbers
+        comments = dragonAsh,
+
+        fg = fg,
+        bg = bg,
+
+        red = dragonRed, -- errors, deletes, bad spellings
+        orange = dragonOrange2, -- warnings, changes, other (strange) spellings
+        green = dragonGreen2, -- staged, additions
+        blue = dragonBlue2, -- information, new files
+        purple = dragonPink, -- hints, merge
+        yellow = dragonYellow,
+
+        -- optional (for better terminal highlights)
+        cyan = dragonAqua,
+    }
+end
+
+function M.get_ui_color_base_lightness()
+    return 55
+end
+
+return M
+