Add from_branch to replace_text in __main__.py

Author: MichaelStubbings

src/python3_pip_skeleton/__main__.py

@@ -64,6 +64,7 @@ def replace_text(text: str) -> str:
         text = text.replace("python3_pip_skeleton", package)
         text = text.replace("Firstname Lastname", full_name)
         text = text.replace("[email protected]", email)
+        text = text.replace("main", from_branch)
         return text
 
     branches = list_branches(path)