neovim: update gitsigns priority and increase signcolumn size

neovim/.config/nvim/after/plugin/git.lua

@@ -3,6 +3,7 @@ local telescope_builtin = require("telescope.builtin")
 
 require("gitsigns").setup({
   signcolumn = true,
+  sign_priority = 20,
   attach_to_untracked = false,
   current_line_blame = true,
   current_line_blame_opts = {

neovim/.config/nvim/after/plugin/options.lua

@@ -10,7 +10,7 @@ vim.opt.number = true
 vim.opt.relativenumber = true
 vim.opt.splitbelow = true
 vim.opt.splitright = true
-vim.opt.signcolumn = "yes"
+vim.opt.signcolumn = "yes:2"
 vim.opt.laststatus = 3
 vim.opt.cmdheight = 0
 vim.opt.showcmd = false