bug #445 Added the link to the Lock component docs (javiereguiluz)

This PR was merged into the master branch.

Discussion
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Added the link to the Lock component docs

This fixes symfony/symfony-docs#8922

Commits
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f42920d Added the link to the Lock component docs

Author: javiereguiluz

components.yml

@@ -175,7 +175,7 @@ Locale:
 
 Lock:
     slug: lock
-    docUrl: ~
+    docUrl: lock.html
     deprecated: false
     description: |
         Creates and manages locks, a mechanism to provide exclusive access to a