fix: 🐛 don't commit and add, leave that to the user (#124)

# Description

We should realistically be leaving this to the user, if they want to do
other things or use a different commit message.

Closes #121 

This PR needs a quick review.

## Checklist

- [x] Ran `just run-all`

Author: lwjohnst86

copier.yaml

@@ -3,15 +3,7 @@ _subdirectory: template
 # Post-copy commands:
 _tasks:
   # Only run these commands when copying the template
-  - command: "git init -b main"
-    when: "{{ _copier_operation == 'copy' }}"
-  - command: "uv add --dev pre-commit commitizen ruff typos"
-    when: "{{ _copier_operation == 'copy' }}"
-  - command: "uv add polars seedcase-sprout"
-    when: "{{ _copier_operation == 'copy' }}"
-  - command: "git add ."
-    when: "{{ _copier_operation == 'copy' }}"
-  - command: "git commit -m 'chore: :tada: setup a new data package from the template'"
+  - command: "git init -b main && uv add --dev pre-commit commitizen ruff typos && uv add polars seedcase-sprout"
     when: "{{ _copier_operation == 'copy' }}"
 
 # Questions: