Additional help for option --pip-args (#1131)

Co-authored-by: Jason Lam <meowmeowcat1211@gmail.com>
Co-authored-by: Bernát Gábor <gaborjbernat@gmail.com>

Author: 3 people

CHANGELOG.md

@@ -1,5 +1,7 @@
 ## dev
 
+- [docs] Add additonal example for --pip-args option, to docs/examples.md
+
 ## 1.3.1
 
 - Fix combining of --editable and --force flag

docs/examples.md

@@ -15,6 +15,7 @@ pipx install --suffix @branch-name 'black[d] @ git+https://github.com/psf/black.
 pipx install --include-deps jupyter
 pipx install --pip-args='--pre' poetry
 pipx install --pip-args='--index-url=<private-repo-host>:<private-repo-port> --trusted-host=<private-repo-host>:<private-repo-port>' private-repo-package
+pipx install --index-url https://test.pypi.org/simple/ --pip-args='--extra-index-url https://pypi.org/simple/' some-package
 ```
 
 ## `pipx run` examples