MPAE-2241 fixing typo in meta data file

Author: Martin-MCHP

.main-meta/main.json

@@ -53,7 +53,7 @@
         ],
         "keywords": [
             "Getting Started",
-            "Multi Voltage Io",
+            "Multi Voltage I/O",
             "Led Blink",
             "Multi Power Domain",
             "Power Monitor",