@overload functions in NUKE_POST_INJECT are missing a function body

[pushkarev-alexandr]

Summary

Fixes #9

NUKE_POST_INJECT injects @overload decorated function signatures into the generated nuke/__init__.py, but the strings were missing a function body (...), causing an IndentationError when importing the stubs outside of Nuke's interpreter.

Changes

Added \n ... to each injected function string in NUKE_POST_INJECT:

# Before
'@overload\ndef execute(...) -> None:'

# After
'@overload\ndef execute(...) -> None:\n    ...'

Test plan

• Run nukestubsgen() inside Nuke
• Run import nuke from the stubs/ directory in a regular Python interpreter — no IndentationError