nix: Add python-poetry to devDependencies

ilyagr · ilyagr · commit 7a28a8ce4047 · 2023-08-27T14:35:03.000-07:00
This should allow Nix users to build the documentation in
`nix develop` following the instructions in `contributing.md`.
diff --git a/flake.nix b/flake.nix
@@ -128,6 +128,9 @@
           cargo-insta
           cargo-nextest
           cargo-watch
+
+          # For building documentation website
+          poetry
         ];
 
         shellHook = ''
