* Validate APP_KEY
key:rotate command to rotate keys, only rotates validation data for now
* fixes, swapped encrypters, not saving new value to db, check that key exists first
* add confirmation
* Option to generate new key, re-encrypt data and then save it to .env
A lot more text to try to prevent disaster. Print out both keys 1-2 times.
Fix bug in EnvHelper (when key is commented but not empty)
* fix style
* oops, good phpstan
* Allow trusted proxy via APP_TRUSTED_PROXIES
Set to '*' by default to emulate legacy behavior.
Set up doc describing environment variables
* Create helper to parse environment variables into arrays properly.
* Update doc blocks
