doc: link screenshots to showcases page

Author: alex-courtis

README.md

@@ -181,30 +181,7 @@ Let us know you're interested by commenting on issues and raising PRs.
 
 ## Screenshots
 
-### kyazdani42
+See [Showcases](https://github.com/nvim-tree/nvim-tree.lua/wiki/Showcases) wiki page for examples of user's configurations with sources.
 
-![alt text](https://user-images.githubusercontent.com/17254073/195207043-e1829a8b-7e73-4f7a-97b2-f65dc31387ce.png "kyazdani42 tree")
-
-### alex-courtis
-
-[nvim-tree.lua](https://github.com/alex-courtis/arch/blob/b5f24e0e7b6554b338e40b3d60f1be437f273023/config/nvim/lua/amc/nvim-tree.lua)
-
-<img src="https://user-images.githubusercontent.com/17254073/195207031-f06d1430-4778-4ab5-89e3-7e53a8bb73d2.png" alt="alex-courtis tree" width="139" height="513">
-
-### akin909
-
-![alt text](https://user-images.githubusercontent.com/17254073/195207056-46163330-a5b0-40ec-ab4a-16a9589076f9.png "akin909 tree")
-
-### stsewd
-
-![alt text](https://user-images.githubusercontent.com/17254073/195207071-b3bc5933-8b82-413b-8a27-02eab19ce01c.png "stsewd tree")
-
-### reyhankaplan
-
-![alt text](https://user-images.githubusercontent.com/17254073/195207077-6bc4eddc-11b2-4d9d-9bdb-ea72f8307360.png "reyhankaplan tree")
-
-### almo7aya
-> nvim-tree on floating mode
-
-![alt text](https://user-images.githubusercontent.com/17254073/195207307-2dfdad07-0284-4380-b5b8-f2df36c16cec.png "almo7aya tree")
+Please add your own!