docs(Empty state): Added EmptyStatePrimary to documentation (#8161)

* docs(Empty state): Added EmptyStatePrimary to documentation

* fix typo

Co-authored-by: Titani <[email protected]>

Author: tlabaj

packages/react-core/src/components/EmptyState/examples/EmptyState.md

@@ -2,7 +2,7 @@
 id: Empty state
 section: components
 cssPrefix: pf-c-empty-state
-propComponents: ['EmptyState', 'EmptyStateBody', 'EmptyStateIcon', 'EmptyStateSecondaryActions']
+propComponents: ['EmptyState', 'EmptyStateBody', 'EmptyStateIcon', 'EmptyStatePrimary','EmptyStateSecondaryActions']
 ---
 import CubesIcon from '@patternfly/react-icons/dist/esm/icons/cubes-icon';
 import SearchIcon from '@patternfly/react-icons/dist/esm/icons/search-icon';
@@ -40,5 +40,7 @@ import SearchIcon from '@patternfly/react-icons/dist/esm/icons/search-icon';
 
 ### No match found
 
+`EmptyStatePrimary` is a container for primary actions. It can be used in lieu of using a primary button and will insure appropriate spacing of the buttons.
+
 ```ts file="EmptyStateNoMatchFound.tsx"
 ```