Update README.md

Author: rossjrw

README.md

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 # SCP-Wiki-Staff-Identification
-Shows who's staff and what position they hold
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+A [Tampermonkey](https://chrome.google.com/webstore/detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo) userscript that adds a line of text to forum posts by staff members to show you what position they hold.
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+More information: http://scp-wiki.wikidot.com/usertools