Beta Testing Round 3 Bug Fixes (#1357)

* Clean up env example files

* Fix duplicate category creations

* Fix duplicate tag and merchant creation

* Add initial valuation to imported accounts

* Add upgrade modal prompt

* Don't hide content on billing page

* Add temporary session for new customers

* Lint fixes

* Fix unused translations

* Fix system tests

README.md

@@ -49,7 +49,7 @@ After cloning the repo, the basic setup commands are:
 
 ```sh
 cd maybe
-cp .env.example .env
+cp .env.local.example .env.local
 bin/setup
 bin/dev