Add 'full' to cspell dictionary

The Japanese routing docs use '_full' as a parameter name which
triggers a spelling warning. Adding 'full' to the allowed words list.

Author: josbeir

.github/cspell.json

@@ -63,7 +63,8 @@
     "example",
     "Classes",
     "Redirect",
-    "Layout"
+    "Layout",
+    "full"
   ],
   "ignoreRegExpList": [
     "\\$[a-zA-Z_][a-zA-Z0-9_]*",