minor #508 Added the Polyfill UUID component (javiereguiluz)

This PR was merged into the master branch.

Discussion
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Added the Polyfill UUID component

Don't merge until its doc PR is merged (symfony/symfony-docs#12820). Thanks!

Commits
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3880876 Added the Polyfill UUID component

Author: javiereguiluz

components.yml

@@ -510,6 +510,13 @@ Yaml:
         Provides binary-safe string functions, using the mbstring extension
         when available.
 
+'Polyfill UUID':
+    slug: polyfill-uuid
+    docUrl: polyfill_uuid.html
+    deprecated: false
+    description: |
+        Provides a native PHP implementation for the UUID extension.
+
 'Polyfill Xml':
     slug: polyfill-xml
     docUrl: ~