STY: add isort config file

Author: kohr-h

.isort.cfg

@@ -0,0 +1,14 @@
+[settings]
+line_length=79
+#force_to_top=file1.py,file2.py
+#skip=file3.py,file4.py
+known_future_library=future
+#known_standard_library=std,std2
+#known_third_party=randomthirdparty
+#known_first_party=mylib1,mylib2
+indent='    '
+multi_line_output=4
+#length_sort=1
+#forced_separate=django.contrib,django.utils
+#default_section=FIRSTPARTY
+#no_lines_before=LOCALFOLDER