Update and rename aria-aria-description.md to aria-description.md

rename file name and update title in file

Author: Rabia2219

…-patterns-index/aria-aria-description.md …ility-patterns-index/aria-description.mddocs/getting-started/accessibility-patterns-index/aria-aria-description.md renamed to docs/getting-started/accessibility-patterns-index/aria-description.md docs/getting-started/accessibility-patterns-index/aria-aria-description.md renamed to docs/getting-started/accessibility-patterns-index/aria-description.md

@@ -1,4 +1,4 @@
-# ARIA - ARIA description
+# ARIA description
 - WAVE Category: ARIA
 - WAVE ARIA: ARIA description