fix: Set file_pattern to string|string[] (resolves #1)

Author: isak102

README.md

@@ -29,8 +29,10 @@ The following is the default configuration, and can be passed into the `setup()`
 
 ```lua
 {
-    -- The pattern to match the file name. If the file name matches the
-    -- pattern, ghostty.nvim will run on save in that buffer.
+    -- The autocmd pattern matched against the filename of the buffer. If this pattern
+    -- matches, ghostty.nvim will run on save in that buffer. This pattern is passed to
+    -- nvim_create_autocmd, check `:h autocmd-pattern` for more information. Can be
+    -- either a string or a list of strings
     file_pattern = "*/ghostty/config",
     -- The ghostty executable to run.
     ghostty_cmd = "ghostty",

lua/ghostty.lua

@@ -1,12 +1,12 @@
 local M = {}
 
 ---@class (exact) Options
----@field file_pattern? string The pattern to match the file name. If the file name matches the pattern, ghostty.nvim will run on save in that buffer.
+---@field file_pattern? string|string[] The autocmd-pattern to match the file name. If the file name matches the pattern, ghostty.nvim will run on save in that buffer. This is passed to nvim_create_autocmd, check `:h autocmd-pattern` for more information.
 ---@field ghostty_cmd? string The ghostty executable to run.
 ---@field check_timeout? number The timeout in milliseconds for the check command. If the command takes longer than this it will be killed.
 
 ---@class (exact) OptionsStrict : Options
----@field file_pattern string
+---@field file_pattern string|string[]
 ---@field ghostty_cmd string
 ---@field check_timeout number