Add macos shebang workaround description (#1204)

* Add macos shebang workaround description

* Apply suggestions from code review

Co-authored-by: chrysle <fritzihab@posteo.de>
Co-authored-by: Jason Lam <meowmeowcat1211@gmail.com>

---------

Co-authored-by: Bernát Gábor <bgabor8@bloomberg.net>
Co-authored-by: chrysle <fritzihab@posteo.de>
Co-authored-by: Jason Lam <meowmeowcat1211@gmail.com>

CHANGELOG.md

@@ -1,5 +1,7 @@
 ## dev
 
+- [docs] Add workaround for using pipx applications in shebang under macOS
+
 ## 1.4.2
 
 - Allow skipping maintenance tasks during list command

docs/troubleshooting.md

@@ -94,6 +94,19 @@ sudo apt install python3-venv python3-pip
 Reference:
 [Python Packaging User Guide: Installing pip/setuptools/wheel with Linux Package Managers](https://packaging.python.org/guides/installing-using-linux-tools)
 
+## macOS issues
+
+If you want to use a Pipx-installed package in a shebang (a common example is the AWS CLI),
+you will likely not be able to, because the binary will be stored under `~/Library/Application Support/pipx/`.
+The space in the path is not supported in a shebang. A simple solution is symlinking
+`~/Library/Application Support/pipx` to `~/Library/ApplicationSupport/pipx`, and using that as the
+path in the shebang instead.
+
+```
+mkdir $HOME/Library/ApplicationSupport
+ln -s $HOME/Library/Application\ Support/pipx $HOME/Library/ApplicationSupport/pipx
+```
+
 ## Does it work to install your package with `pip`?
 
 This is a tip for advanced users. An easy way to check if pipx is the problem or a package you're trying to install is