docs&chore: added frontendDomain to docs and config

README.md

@@ -86,6 +86,7 @@ The `cookie.secure` value should be `true` for SSL connections, and `false` for
 
    Values:  
    The `serverDomain` should be the url where the backend will be accessible from, usually `http://localhost:8080` for non-Docker.
+   The `frontendDomain` should be the url where the frontend will be accessible from, usually `http://localhost` for non-Docker.
    The `frontendPort` should be the port where the frontend will be accessible from, usually port `3000`.
    The `recaptcha.key` value can be obtained by setting up a [ReCaptcha Site (v3)](https://www.google.com/recaptcha/admin).
    The `cookie.domain` value should be the ip or address you use to access the site, without protocols (http/https), so for example `localhost`.

frontend/dist/config/template.json

@@ -3,6 +3,7 @@
 		"key": ""
 	},
 	"serverDomain": "",
+	"frontendDomain": "",
 	"frontendPort": "",
   	"cookie": {
 		"domain": "",