Refactor imports for clarity and organisation

- Removed unnecessary imports from the main module.
- Consolidated import statements for `FunctionInputs` and `automate_function`.
- Updated test file to reflect new import paths.

main.py

@@ -1,15 +1,10 @@
-from speckle_automate import (
-    execute_automate_function,
-)
-
-
-from src.function import automate_function
-from src.inputs import FunctionInputs
+from speckle_automate import execute_automate_function
 
+from data_shield import FunctionInputs
+from data_shield import automate_function
 
 # make sure to call the function with the executor
 if __name__ == "__main__":
     # NOTE: always pass in the automate function by its reference; do not invoke it!
 
-
     execute_automate_function(automate_function, FunctionInputs)