Chore: Update documentation

DEVELOP.rst

@@ -85,7 +85,7 @@ The documentation is written using `Sphinx`_ and `ReStructuredText`_.
 Working on the documentation
 ----------------------------
 
-Python 3.7 is required.
+Python 3.7 or higher is required.
 
 Change into the ``docs`` directory::
 

README.rst

@@ -2,18 +2,14 @@
 The CrateDB Shell
 =================
 
-.. image:: https://github.com/crate/crash/workflows/test/badge.svg
-    :target: https://github.com/crate/crash/actions
+.. image:: https://github.com/crate/crash/actions/workflows/main.yml/badge.svg
+    :target: https://github.com/crate/crash/actions/workflows/main.yml
     :alt: Outcome of CI
 
 .. image:: https://img.shields.io/pypi/v/crash.svg
     :target: https://pypi.python.org/pypi/crash
     :alt: Most recent version on PyPI
 
-.. image:: https://img.shields.io/pypi/dm/crash.svg
-    :target: https://pypi.org/project/crash/
-    :alt: Number of downloads per month
-
 .. image:: https://img.shields.io/pypi/pyversions/crash.svg
     :target: https://pypi.python.org/pypi/crash
     :alt: Supported Python versions
@@ -22,6 +18,10 @@ The CrateDB Shell
     :target: https://github.com/crate/crash/blob/master/LICENSE
     :alt: License
 
+.. image:: https://static.pepy.tech/badge/crash/month
+    :target: https://www.pepy.tech/projects/crash
+    :alt: Number of downloads per month
+
 |
 
 The CrateDB Shell (aka *Crash*) is an interactive `command-line interface`_