fix(sigil): address review comments

Author: sravioli

doc/wezterm-types-plugin.sigil.txt

@@ -6,7 +6,7 @@ You can import type annotations for `sravioli/sigil.wz`
 <https://github.com/sravioli/sigil.wz> as shown below:
 
 >lua
-    ---@type Sigil.Api
+    ---@type Sigil
     local sigil = wezterm.plugin.require("https://github.com/sravioli/sigil.wz")
 <
 

docs/sigil.md

@@ -4,7 +4,7 @@ You can import type annotations for
 [`sravioli/sigil.wz`](https://github.com/sravioli/sigil.wz) as shown below:
 
 ```lua
----@type Sigil.Api
+---@type Sigil
 local sigil = wezterm.plugin.require("https://github.com/sravioli/sigil.wz")
 ```
 

lua/wezterm/types/plugins/sigil.lua

@@ -1,7 +1,7 @@
 ---@meta
 ---@diagnostic disable:unused-local
 
----@alias Sigil.Padding false|"left"|"right"|"both"|boolean
+---@alias Sigil.Padding boolean|"left"|"right"|"both"
 ---@alias Sigil.FormatItem string|table
 
 ---@class Sigil.Entry
@@ -34,7 +34,7 @@
 ---@field padding? Sigil.Padding Padding to apply around the icon.
 ---@field reset? boolean Append `ResetAttributes` after the icon.
 
----@class Sigil.Api
+---@class Sigil
 ---@field config Sigil.Config
 local M = {}