docs(readme, lazygit): fix typos (#16)

## Description

<!-- Describe the big picture of your changes to communicate to the
maintainers
  why we should accept this pull request. -->
Fixes minor typos in documentation.

## Related Issue(s)

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  If this PR fixes any issues, please link to the issue here.
  - Fixes #<issue_number>
-->

## Screenshots

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README.md

@@ -42,7 +42,7 @@ Install the plugin with your package manager:
 > Check the [code](https://github.com/folke/snacks.nvim/blob/main/lua/snacks/init.lua) to see what it does.
 
 > [!tip]
-> If you don't need these plugins, you can disable them, or skip `setup` alltogether.
+> If you don't need these plugins, you can disable them, or skip `setup` altogether.
 
 ```lua
 {

docs/lazygit.md

@@ -1,6 +1,6 @@
 # 🍿 lazygit
 
-Autmatically configures lazygit with a theme generated based on your Neovim colorscheme
+Automatically configures lazygit with a theme generated based on your Neovim colorscheme
 and integrate edit with the current neovim instance.
 
 ![image](https://github.com/user-attachments/assets/5e5ca232-af65-4ebc-b0ca-02bc9c33d23d)

lua/snacks/win.lua

@@ -467,7 +467,7 @@ function M:win_opts()
     opts[k] = self.opts[k]
   end
   local parent = self:parent_size()
-  -- Spcial case for 0, which means 100%
+  -- Special case for 0, which means 100%
   opts.height = opts.height == 0 and parent.height or opts.height
   opts.width = opts.width == 0 and parent.width or opts.width
   opts.height = math.floor(opts.height < 1 and parent.height * opts.height or opts.height)