Update cheatsheets

tldr/pip-search

@@ -0,0 +1,14 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pip search
+
+> Search for Python packages by name or summary.
+> Doesn't work with PyPI; may work with other package indexes.
+> More information: <https://pip.pypa.io/en/stable/cli/pip_search/>.
+
+- Search for packages using a custom package index:
+
+`pip search {{[-i|--index]}} {{example.com}} {{query}}`