Update README.md

Update path to pandoc-quotes.lua

Author: DominikVogel

pandoc-quotes.lua/README.md

@@ -22,7 +22,7 @@ You need [Pandoc](https://www.pandoc.org/) 2.0 or later.
 
 ### Installation
 
-1. Download [pandoc-quotes.lua](https://github.com/pandoc/lua-filters/blob/master/pandoc-quotes.lua/pandoc-quotes.lua).
+1. Download [pandoc-quotes.lua](https://github.com/odkr/pandoc-quotes.lua/blob/main/pandoc-quotes.lua).
 2. Move `pandoc-quotes.lua` from the repository directory to the
    `filters` sub-directory of your Pandoc data directory
    (`pandoc --version` will tell you where that is).