chore(repo): fix minify and pretty plugin docs titles (#347)

Author: KyGuy2002

docs/plugins/minify.md

@@ -3,7 +3,7 @@ title: 'Minify Plugin'
 description: 'The Minify Plugin'
 ---
 
-## Inline Plugin
+## Minify Plugin
 
 The `@jsx-email/plugin-minify` package provides a plugin to [minify](<https://en.wikipedia.org/wiki/Minification_(programming)>) an email's HTML output. This plugin is a `peerDependency` of `jsx-email` and is loaded automatically if the [`minify` render option](https://jsx.email/docs/core/render#method-options) is set.
 

docs/plugins/pretty.md

@@ -3,7 +3,7 @@ title: 'Pretty Plugin'
 description: 'The Pretty Plugin'
 ---
 
-## Inline Plugin
+## Pretty Plugin
 
 The `@jsx-email/plugin-pretty` package provides a plugin to format an email's HTML output in an easy-to-read format. This plugin is a `peerDependency` of `jsx-email` and is loaded automatically if the [`pretty` render option](https://jsx.email/docs/core/render#method-options) is set.