DOC: link to PyPI and show the install command earlier

README.md

@@ -36,6 +36,8 @@ allow all of them.
 
 ## BenchX usage and development
 
+Install with `pip install benchx` ([PyPI](https://pypi.org/project/benchx/)).
+
 We welcome contributions of all sorts: add a user story, tell us about your use case, try
 `benchx` on your workflow/project, open an issue if you found a rough edge,
 implement a missing feature.

docs/benchx.md

@@ -19,6 +19,15 @@ implement a missing feature.
 - A collection of worked examples: <https://github.com/benchx-dev/benchx_examples>
 
 
+# Install
+
+Install from [PyPI](https://pypi.org/project/benchx/):
+
+```console
+$ pip install benchx
+```
+
+
 # CLI API
 
 At a glance:
@@ -214,12 +223,6 @@ every result is pyperf. Results also record the installed project's version
   store: the ad hoc path. Condition measurements (`measurement.kind:
   condition`) are not compared, and deterministic quantities are deferred.
 
-## Install
-
-```console
-$ pip install benchx
-```
-
 ## Run it
 
 ```console