Added FAQ to website, closes #6

docs/_pages/faq.md

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+---
+layout: page
+title: Frequently Asked Questions
+include_in_header: true
+---
+
+
+# Frequently Asked Questions
+
+### What is PGPro for?
+
+PGPro lets you en- & decrypt messages using the OpenPGP standard. It also allows you to generate and manage your OpenPGP keys on your iPhone.
+
+See also <https://emailselfdefense.fsf.org/en/index.html>
+
+### What is PGP / OpenPGP / GPG?
+
+In general, the terms GPG (GNU Privacy Guard), OpenPGP and PGP (Pretty Good Privacy) are used interchangeably. 
+Technically, OpenPGP is the encryption standard, and GPG is an implementation of that standard.
+PGPro provides an interface to an OpenPGP implementation.
+
+### Where are my keys stored?
+
+All keys in PGPro are stored locally using Apple\'s native Core Data framework. 
+Therefore the keys are stored encrypted and on your device only.
+
+Note: This also means that they are not included in your iCloud backup.
+
+See also <https://github.com/lucanaef/PGPro/issues/6>
+
+### What kind of keys does PGPro support?
+
+As of now, PGPro supports most OpenPGP compatible keys.
+However: **PGPro doesn't currently support ECC keys.**
+
+### Where does PGPro lookup keys?
+
+PGPro supports the verified [OpenPGP keyserver](https://keys.openpgp.org/) as well as the [Web Key
+Directory](https://wiki.gnupg.org/WKD) standard.
+
+### I found a bug! Where can I report it?
+
+You can either [open a new issue](https://github.com/lucanaef/PGPro/issues/new/choose) on the [GitHub repo](https://github.com/lucanaef/PGPro) or [contact me directly](mailto:dev@pgpro.app).
+
+### I have a suggestion/feature request!
+
+Feel free to tell me about it, either on [GitHub](https://github.com/lucanaef/PGPro/issues/new/choose) or [directly](mailto:dev@pgpro.app).
+
+### Can I join the beta?
+
+Sure! You can join the Testflight beta right here: <https://testflight.apple.com/join/BNawuaNF>
+
+### Can I help/support you?
+
+I am always happy about [contributions on GitHub](https://github.com/lucanaef/PGPro/issues/new/choose). Also [rating the app on the App Store](https://apps.apple.com/us/app/pgpro/id1481696997?action=write-review) helps a lot! If you'd like to, you can also [donate](https://pgpro.app/donate/).
+
+### I have a question that isn't answered here.
+
+Feel free to ask it either on [GitHub](https://github.com/lucanaef/PGPro/issues/new/choose) or [directly](mailto:dev@pgpro.app) via email.
+