Add empty init files to subdirs of main package

novelwriter/core/__init__.py

@@ -0,0 +1,3 @@
+"""
+novelWriter – Core Init File
+"""

novelwriter/dialogs/__init__.py

@@ -0,0 +1,3 @@
+"""
+novelWriter – Dialogs Init File
+"""

novelwriter/gui/__init__.py

@@ -0,0 +1,3 @@
+"""
+novelWriter – GUI Init File
+"""

novelwriter/tools/__init__.py

@@ -0,0 +1,3 @@
+"""
+novelWriter – Tools Init File
+"""