refactor(git): split status code parsing into status.lua

lua/git/watcher.lua

@@ -1,18 +1,9 @@
 local repo = require("git.repo")
+local status = require("git.status")
 local util = require("git.util")
 
 local M = {}
 
----@param code string
----@return string?
-local function format(code)
-    local char, hl = repo.indicator(code)
-    if not char then
-        return nil
-    end
-    return string.format("%%#%s#%s%%*", hl, char)
-end
-
 ---@class ow.Git.Repo
 ---@field gitdir string
 ---@field worktree string
@@ -89,7 +80,7 @@ local function do_refresh(r)
                             end
                         end
                         statuses[vim.fs.joinpath(r.worktree, path_part)] =
-                            format(code)
+                            status.format(code)
                     end
                 end
             else