Add gitui config and update vim settings

gitui/key_bindings.ron

@@ -0,0 +1,8 @@
+(
+    move_left: Some(( code: Char('h'), modifiers: ( bits: 0,),)),
+    move_right: Some(( code: Char('l'), modifiers: ( bits: 0,),)),
+    move_up: Some(( code: Char('k'), modifiers: ( bits: 0,),)),
+    move_down: Some(( code: Char('j'), modifiers: ( bits: 0,),)),
+    stash_open: Some(( code: Char('l'), modifiers: ( bits: 0,),)),
+    open_help: Some(( code: F(1), modifiers: ( bits: 0,),)),
+)

gitui/theme.ron

@@ -0,0 +1,23 @@
+(
+    selected_tab: Reset,
+    command_fg: White,
+    selection_bg: Blue,
+    selection_fg: White,
+    cmdbar_bg: Blue,
+    cmdbar_extra_lines_bg: Blue,
+    disabled_fg: DarkGray,
+    diff_line_add: Green,
+    diff_line_delete: Red,
+    diff_file_added: LightGreen,
+    diff_file_removed: LightRed,
+    diff_file_moved: LightMagenta,
+    diff_file_modified: Yellow,
+    commit_hash: Magenta,
+    commit_time: LightCyan,
+    commit_author: Green,
+    danger_fg: Red,
+    push_gauge_bg: Blue,
+    push_gauge_fg: Reset,
+    tag_fg: LightMagenta,
+    branch_fg: LightYellow,
+)

nvim/lua/plugins.lua

@@ -15,10 +15,8 @@ vim.opt.rtp:prepend(lazypath)
 require('lazy').setup({
     "rafamadriz/friendly-snippets",
     'ConradIrwin/vim-bracketed-paste',
-    'Vimjas/vim-python-pep8-indent',
     'airblade/vim-rooter',
     'cappyzawa/trim.nvim',
-    'ervandew/supertab',
     'ggandor/leap.nvim',
     'mhartington/formatter.nvim',
     'gpanders/editorconfig.nvim',

nvim/lua/settings.lua

@@ -33,6 +33,7 @@ vim.opt.wildmode = {"longest", "list"}
 vim.g.mapleader = ","
 vim.g.python_highlight_all = 1
 vim.wo.signcolumn = "number"
+vim.wo.relativenumber = true
 vim.g.rooter_patterns = {".git", "Makefile", "CMakeLists.txt", "build/"}
 vim.g.rooter_silent_chdir = 1