pip-show: add page (#18376)

Author: tyler-lutz

pages/common/pip-show.md

@@ -0,0 +1,16 @@
+# pip show
+
+> Show information about installed packages.
+> More information: <https://pip.pypa.io/en/stable/cli/pip_show/>.
+
+- Show information about a package:
+
+`pip show {{package}}`
+
+- Show all information about a package:
+
+`pip show {{[-v|--verbose]}} {{package}}`
+
+- Show all installed files for a package:
+
+`pip show {{[-f|--files]}} {{package}}`