new: basic arbtt module

tox.ini

@@ -76,6 +76,7 @@ commands =
     hpi module install my.reddit
     hpi module install my.stackexchange.stexport
     hpi module install my.pinboard
+    hpi module install my.arbtt
 
     # todo fuck. -p my.github isn't checking the subpackages?? wtf...
     # guess it wants .pyi file??
@@ -94,6 +95,7 @@ commands =
                     -p my.location.google             \
                     -p my.time.tz.via_location        \
                     -p my.calendar.holidays           \
+                    -p my.arbtt                       \
                     --txt-report  .coverage.mypy-misc \
                     --html-report .coverage.mypy-misc \
                     {posargs}