Draft: split Fillet code into various modules

The original code was in `DraftFillet.py` which is split
into a different modules like the rest of the workbench.

The object code is in `draftobjects`, the viewprovider
is in `draftviewproviders`, and the function to create it
is in `draftmake`.

src/Mod/Draft/draftviewproviders/view_fillet.py

@@ -0,0 +1,38 @@
+# ***************************************************************************
+# *   Copyright (c) 2020 Eliud Cabrera Castillo <e.cabrera-castillo@tum.de> *
+# *                                                                         *
+# *   This program is free software; you can redistribute it and/or modify  *
+# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
+# *   as published by the Free Software Foundation; either version 2 of     *
+# *   the License, or (at your option) any later version.                   *
+# *   for detail see the LICENCE text file.                                 *
+# *                                                                         *
+# *   This program is distributed in the hope that it will be useful,       *
+# *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+# *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+# *   GNU Library General Public License for more details.                  *
+# *                                                                         *
+# *   You should have received a copy of the GNU Library General Public     *
+# *   License along with this program; if not, write to the Free Software   *
+# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
+# *   USA                                                                   *
+# *                                                                         *
+# ***************************************************************************
+"""Provides the view provider code for Fillet objects.
+
+At the moment this view provider subclasses the Wire view provider,
+and behaves the same as it. In the future this could change
+if another behavior is desired.
+"""
+## @package view_fillet
+# \ingroup DRAFT
+# \brief Provides the view provider code for Fillet objects.
+
+from draftviewproviders.view_wire import ViewProviderWire
+
+
+class ViewProviderFillet(ViewProviderWire):
+    """The view provider for the Fillet object."""
+
+    def __init__(self, vobj):
+        super(ViewProviderFillet, self).__init__(vobj)