update __init__.py

src/code_beatrix/__init__.py

@@ -18,6 +18,22 @@
 from .scratchs import check
 
 
+def _setup_hook(add_print=False, unit_test=False):
+    """
+    if this function is added to the module,
+    the help automation and unit tests call it first before
+    anything goes on as an initialization step.
+    It should be run in a separate process.
+
+    @param      add_print       print *Success: _setup_hook*
+    @param      unit_test       used only for unit testing purpose
+    """
+    # we can check many things, needed module
+    # any others things before unit tests are started
+    if add_print:
+        print("Success: _setup_hook")
+
+
 def check(log=False):
     """
     Checks the library is working.