Remove duplicated items

[shinnn]

Problem

I noticed that the pattern list includes some duplicated values. For example,

$ echo addicts | alex
<stdin>
    1:1-1:8  warning  `addicts` may be insensitive, use `people with a drug addiction`, `people recovering from a drug addiction` instead
    1:1-1:8  warning  `addicts` may be insensitive, use `people with a drug addiction`, `people recovering from a drug addiction` instead

⚠ 2 warnings

Solution

1. I added a validation script to ensure the YAML resource files have no duplicated values. 6a5dcb1

   • If a YAML file includes duplicated values, it throws an error like below and won't write files.

   Error: "ablist.yml" has duplicated value(s): 
   {
     "type": "simple",
     "considerate": "person with learning disabilities",
     "inconsiderate": "learning disabled"
   }
   {
     "type": "simple",
     "considerate": [
       "turned off",
       "person with a disability",
       "people with disabilities"
     ],
     "inconsiderate": [
       "disabled"
     ]
   }
   

2. I removed duplicated values in accordance with the validation, and rebuilt files. 2f54a05

[wooorm]

Thanks a lot @shinnn! Great work!