chore: add type hints for git.yazi (#111)

Co-authored-by: sxyazi <sxyazi@gmail.com>

git.yazi/types.lua

@@ -0,0 +1,12 @@
+---@class State
+---@field dirs table<string, string|CODES> Mapping between a directory and its corresponding repository
+---@field repos table<string, Changes> Mapping between a repository and the status of each of its files
+
+---@class Options
+---@field order number The order in which the status is displayed
+---@field renamed boolean Whether to include renamed files in the status (or treat them as modified)
+
+-- TODO: move this to `types.yazi` once it's get stable
+---@alias UnstableFetcher fun(self: unknown, job: { files: File[] })
+
+---@alias Changes table<string, CODES>