build(.cursor): add command to refactor Python file into module

Author: mattnorris

.cursor/commands/refactor-file-module.md

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+Refactor the given file into a module of the same name.
+
+## Example
+
+Take the following `commands.py` file as an example.
+
+```python
+CONSTANT_1 = "Constant 1"
+CONSTANT_2 = "Constant 2"
+
+class MyCommand:
+    pass
+
+class MyOtherCommand:
+    pass
+
+class YetAnotherCommand:
+    pass
+```
+
+### Classes
+
+1. Create a `commands` directory.
+2. For each class in the original `commands.py` file, create a file and place the corresponding class there.
+
+### Constants
+
+1. Create a `commands/config.py` file.
+2. Move all constants into the `config.py` file. Update each file to import the constants from the `config.py` file.
+
+### **init**.py
+
+1. Create a `commands/__init__.py` file.
+2. Export the items in this module using `__all__`.
+
+The `__init__.py` file should look like this:
+
+```python
+from .config import CONSTANT_1, CONSTANT_2
+from .my-command import MyCommand
+from .my-other-command import MyOtherCommand
+from .yet-another-command import YetAnotherCommand
+
+__all__ = [
+    "CONSTANT_1",
+    "CONSTANT_2",
+    "MyCommand",
+    "MyOtherCommand",
+    "YetAnotherCommand",
+]
+```
+
+### Final file structure
+
+The final file structure should look like this:
+
+```
+commands/                   # `commands` module directory, same name as given file
+- __init__.py               # Init file to expose other items within this module
+- config.py                 # Config file for constants
+- my-command.py             # For MyCommand
+- my-other-command.py       # For MyOtherCommand
+- yet-another-command.py    # For YetAnotherCommand
+```