huge refactor

- tidy up
- shuffle code around
- use same abstractions for all usecases

lua/config/init.lua

@@ -1,2 +1,3 @@
 -- nvim-compe
 require('config.compe')
+require('config.treesitter')

lua/config/treesitter.lua

@@ -0,0 +1,19 @@
+require('nvim-treesitter.configs').setup {
+  ensure_installed = { "lua", "rust", "elm", "python", "yaml", "toml" },
+  auto_install = true,
+  highlight = {
+    enable = true,
+    additional_vim_regex_highlighting=false,
+  },
+  ident = {
+      enable = true,
+  },
+  rainbow = {
+    enable = true,
+    extended_mode = false,
+    max_file_lines = nil,
+  }
+}
+
+vim.api.nvim_set_hl(0, "@variable", { })
+vim.api.nvim_set_hl(0, "@parameter", { })