Update README

- Can install with pipx or uv.

packaging/make-readme.py

@@ -24,15 +24,13 @@ Eris maintains an up to date set of reports for every file in a codebase.
 
 #### Debian / Ubuntu / Fedora / Arch / Alpine
 
-Firstly uv is needed to install eris.
+Eris can be installed by pipx or [uv](https://docs.astral.sh/uv/getting-started/installation/).
 
-To install uv:
+To install with pipx:
 
-    curl -LsSf https://astral.sh/uv/install.sh | sh
+    pipx install git+https://gitlab.com/ahamilton/eris@v2025.06.04
 
-For other ways to install uv see its [installation page](https://docs.astral.sh/uv/getting-started/installation/).
-
-Then use uv to install eris:
+or to install with uv:
 
     uv tool install git+https://gitlab.com/ahamilton/eris@v2025.06.04
 
@@ -40,12 +38,6 @@ Then use eris to install all the tools it uses:
 
     eris --install-all-tools
 
-Or install from source: (including tools)
-
-    git clone https://gitlab.com/ahamilton/eris
-    cd eris
-    ./install
-
 Then to run:
 
     eris