add upstream script etc

Author: jfrolich

.gitignore

@@ -1,2 +1,3 @@
 /target
 .DS_Store
+/docs

.gitmodules

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+rm -rf testrepo/node_modules
+cp -rf . ../rescript/rewatch
+cd testrepo
+yarn install
+cd ..
+rm -rf ../rescript/rewatch/.git
+rm -rf ../rescript/rewatch/docs
+rm -rf ../rescript/rewatch/.github
+cd ../rescript/rewatch
+rm .tmuxinator.yaml
+rm package.json
+rm release.sh
+rm sync_upstream.sh
+# reset yarn.lock to the most recent commited version
+git checkout -- testrepo/yarn.lock
+cd testrepo
+yarn install