rename examples/tests/{a,b,c,d,e,f} into examples/acceptance_tests/00{1,2,3,4,5,6}

Also added a little Makefile to run them all in one go.

.editorconfig

@@ -1,9 +1,13 @@
 root = true
-
-[*.ak]
-indent_style = space
-indent_size = 2
 end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
+
+[*.ak]
+indent_style = space
+indent_size = 2
+
+[Makefile]
+indent_style = tabs
+indent_size = 4