ignore gitignore in cspell

Author: peersky

.github/cspell.json

@@ -8,7 +8,8 @@
     "**/.github/**",
     ".vscode",
     "package-lock.json",
-    "**/*.docx"
+    "**/*.docx",
+    ".gitignore"
   ],
   "ignoreRegExpList": [
     "/[0-9a-f]{8}.js/gi",