feat: add testing to python template

templates/python/README.md

@@ -1,5 +1,26 @@
 # Python template using uv2nix
 
-### How to use
+This template flake provides a python environment that is being managed by `uv` while still keeping the store managed by `nix`.
 
-1) ``
+## Setup
+
+1) Enter project directory
+2) `project python`
+3) Edit Python version in `flake.nix` and Python version + dependencies in `pyproject.toml`
+4) `uv lock`
+5) `direnv reload`
+
+## Usage
+
+
+
+### Testing
+
+- run `nix flake check`
+
+###### Note for Emacs users
+
+It can happen that Emacs will not immediately pick up on the new environment after you have made your changes. In that case, perform the following steps in Emacs (this is for a setup using `envrc.el` and `eglot`):
+
+1) `(envrc-reload)`
+2) `(eglot)`