feat: configure suggested word substitutions

Our RFC suggests 'denylist' as an alternative to 'blacklist', so we add
that along with the built-in suggestion of 'blocklist'

artsy/README#427

.eslintrc.js

@@ -22,7 +22,18 @@ module.exports = {
     'react/jsx-handler-names': 'off',
     'react/prop-types': 'off',
     'space-before-function-paren': ['error', 'never'],
-    'inclusive-language/use-inclusive-words': 'error',
+    'inclusive-language/use-inclusive-words': [
+      "error",
+      {
+        "words": [
+          {
+            "word": "blacklist",
+            "suggestions": ["denylist or blocklist"],
+            "explanation": "The usage of the non-inclusive word '{{word}}' is discouraged, use '{{suggestion}}' instead."
+          }
+        ]
+      }
+    ],
 
     // next two rules are a workaround, see
     // https://github.com/babel/babel-eslint/issues/681#issuecomment-420663038