update bash-hackers.org links from archive.org (#732)

An earlier archived version seems more complete.

Author: glennj

docs/LEARNING.md

@@ -9,7 +9,7 @@ does have a fairly steep learning curve.
 
 * Additional guides, information, and examples can be found at 
     * [Greg's Wiki](http://mywiki.wooledge.org/BashGuide),
-    * the [Bash Hackers Wiki](https://web.archive.org/web/20230406205817/https://wiki.bash-hackers.org/),
+    * the [Bash Hackers Wiki](https://web.archive.org/web/20230323071638/https://wiki.bash-hackers.org/),
     * the [bash tag info page](https://stackoverflow.com/tags/bash/info) on
       Stack Overflow,
     * and expanding on the man page, the [GNU Bash Manual](http://gnu.org/s/bash/manual)

docs/RESOURCES.md

@@ -5,7 +5,7 @@
 - [Bash FAQ](http://mywiki.wooledge.org/BashFAQ)
 - [Bash Pitfalls](https://mywiki.wooledge.org/BashPitfalls)
 - [GNU Bash Manual](http://gnu.org/s/bash/manual)
-- [Bash-Hackers Wiki](http://wiki.bash-hackers.org)
+- [Bash-Hackers Wiki](https://web.archive.org/web/20230323071638/https://wiki.bash-hackers.org/)
 - [Shellcheck provides shell script guidelines and help](http://www.shellcheck.net/)
 
 The Command Line Heroes podcast released an episode on the