[Findit & Predator] Code reorg of Findit.

appengine/findit_mock/DEV.md

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+# Contribution
+
+[TOC]
+
+# How to checkout code and make change?
+
+Follow the general infra development flow [here](../../doc/source.md)
+
+# How to run Findit locally?
+
+From command line, run:
+  infra/appengine/findit/scripts/run.sh run
+
+Then open http://localhost:8080 for the home page.
+
+# How to run unittests?
+
+From command line, run:
+  infra/appengine/findit/scripts/run.sh test
+
+If a code path branch is not tested and no line number is shown in the command
+line output, you could check the code coverage report shown in the output.
+
+# How to deploy to appengine?
+
+For testing on the staging app, deploy to findit-for-me-staging.appspot.com:
+  infra/appengine/findit/scripts/run.sh deploy-test-staging
+
+For staging test on the product app, deploy to findit-for-me.appspot.com:
+  infra/appengine/findit/scripts/run.sh deploy-test-prod
+
+For release, deploy to findit-for-me.appspot.com:
+  infra/appengine/findit/scripts/run.sh deploy-prod
+Please carefully follow the messages by the script for the deployment.