Add content-normal and content-stretch utilities (#10645)

* Add content-stretch utility

* Add `content-normal` utility

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Co-authored-by: Jonathan Reinink <[email protected]>

Author: dcastil

src/corePlugins.js

@@ -1196,13 +1196,15 @@ export let corePlugins = {
 
   alignContent: ({ addUtilities }) => {
     addUtilities({
+      '.content-normal': { 'align-content': 'normal' },
       '.content-center': { 'align-content': 'center' },
       '.content-start': { 'align-content': 'flex-start' },
       '.content-end': { 'align-content': 'flex-end' },
       '.content-between': { 'align-content': 'space-between' },
       '.content-around': { 'align-content': 'space-around' },
       '.content-evenly': { 'align-content': 'space-evenly' },
       '.content-baseline': { 'align-content': 'baseline' },
+      '.content-stretch': { 'align-content': 'stretch' },
     })
   },