add melange theme (#140)

lua/base46/themes/melange.lua

@@ -0,0 +1,84 @@
+-- Thanks to https://github.com/savq/melange for existing
+-- This is a modified version of it
+
+local M = {}
+
+M.base_30 = {
+  white = "#ECE1D7",
+  darker_black = "#241f1a",
+  black = "#2A2520", -- nvim bg
+  black2 = "#342f2a",
+  one_bg = "#39342f",
+  one_bg2 = "#433e39",
+  one_bg3 = "#4d4843",
+  grey = "#57524d",
+  grey_fg = "#605b56",
+  grey_fg2 = "#6b6661",
+  light_grey = "#75706b",
+  red = "#B65C60",
+  baby_pink = "#CE9BCB",
+  pink = "#B65C60",
+  line = "#39342f", -- for lines like vertsplit
+  green = "#86A3A3",
+  vibrant_green = "#99D59D",
+  nord_blue = "#88B3B2",
+  blue = "#9AACCE",
+  yellow = "#e3b865",
+  sun = "#EBC06D",
+  purple = "#c47fd5",
+  dark_purple = "#b570c6",
+  teal = "#697893",
+  orange = "#E49B5D",
+  firered = "#F17C64",
+  cyan = "#bbcdef",
+  statusline_bg = "#312c27",
+  lightbg = "#433e39",
+  pmenu_bg = "#86A3A3",
+  folder_bg = "#697893",
+}
+
+M.base_16 = {
+  base00 = "#2A2520",
+  base01 = "#39342f",
+  base02 = "#433e39",
+  base03 = "#4d4843",
+  base04 = "#57524d",
+  base05 = "#ECE1D7",
+  base06 = "#e3d8ce",
+  base07 = "#d8cdc3",
+  base08 = "#ECE1D7",
+  base09 = "#86A3A3",
+  base0A = "#99D59D",
+  base0B = "#9AACCE",
+  base0C = "#EBC06D",
+  base0D = "#EBC06D",
+  base0E = "#E49B5D",
+  base0F = "#8E733F",
+}
+
+M.type = "dark"
+
+M.polish_hl = {
+  ["@field"] = { fg = M.base_30.white },
+  ["@field.key"] = { fg = M.base_30.white },
+
+  ["@function.macro"] = {
+    fg = M.base_30.vibrant_green,
+  },
+
+  Include = {
+    fg = M.base_30.vibrant_green,
+  },
+
+  Operator = {
+    fg = M.base_30.firered,
+  },
+
+  Boolean = {
+    fg = M.base_30.purple
+  }
+}
+
+M = require("base46").override_theme(M, "melange")
+
+return M