Detect typos in Markdown documents (2nd attempt) (#9347)

* Fix documentation's typos

Signed-off-by: Victor Morales <v.morales@samsung.com>

* Add Spell checker CI action

Signed-off-by: Victor Morales <v.morales@samsung.com>
diff --git a/src/README.md b/src/README.md
index edf63ac..5d25de7 100644
--- a/src/README.md
+++ b/src/README.md
@@ -26,6 +26,6 @@
 ##### Near Field Communication Tag Reading
 
 NFC Tag Reading is disabled by default because a paid Apple developer account is
-requird to have it enabled. If you want to enable it and you have a paid Apple
+required to have it enabled. If you want to enable it and you have a paid Apple
 developer account, go to the CHIPTool iOS target and turn on Near Field
 Communication Tag Reading under the Capabilities tab.