Update structure; add .lua-format; add terminal support

lua/tokyo/terminal.lua

@@ -0,0 +1,23 @@
+local M = {}
+local p = require 'tokyo.palette'
+
+function M.setup()
+    vim.g.terminal_color_0 = p.black
+    vim.g.terminal_color_1 = p.red
+    vim.g.terminal_color_2 = p.green
+    vim.g.terminal_color_3 = p.yellow
+    vim.g.terminal_color_4 = p.blue
+    vim.g.terminal_color_5 = p.purple
+    vim.g.terminal_color_6 = p.orange
+    vim.g.terminal_color_7 = p.fg
+    vim.g.terminal_color_8 = p.black
+    vim.g.terminal_color_9 = p.red
+    vim.g.terminal_color_10 = p.green
+    vim.g.terminal_color_11 = p.yellow
+    vim.g.terminal_color_12 = p.blue
+    vim.g.terminal_color_13 = p.purple
+    vim.g.terminal_color_14 = p.orange
+    vim.g.terminal_color_15 = p.fg
+end
+
+return M