updating docs

README.md

@@ -33,6 +33,10 @@ Netmaker also has a handy dandy UI, which you can find in [this repo](https://gi
  - [Contributing](docs/CONTRIBUTING.md)
 
 
+## Compatible Systems
+
+This should work on most linux systems that have systemd. It works with Fedora, Ubuntu, and Raspian. Just make sure you have wireguard installed (WireGuard tools). It is recommended to also enable port forwarding, or you may have issues behind NAT.
+
 ## Quick Start
 
 Setup Docker (Prereq):

docs/TROUBLESHOOTING.md

@@ -0,0 +1,2 @@
+## Incorrect backend detected. Please specify correct URL and refresh. Given: http://localhost:8081
+Solution: Front end expects a reachable address for the backend. Localhost is default. Check if server is up. If server is up, make sure you've got the right endpoint (endpoint of server. Will not be 'localhost' unless doing local testing). If server is up and endpoint is correct, check for port blockings.