kek.GenerateOrImport: add info about generation taking a while

Author: joonas-fi

pkg/stoserver/stoservertypes/commands.json

@@ -645,6 +645,9 @@
 		"ctor": [],
 		"crudNature": "create",
 		"title": "Generate or import key encryption key",
+		"info": [
+			"Generating a key might take a long time, especially on lower-powered devices like Raspberry Pis. Be patient :)"
+		],
 		"fields": [
 			{ "key": "Label", "placeholder": "Joonas's primary KEK" },
 			{ "key": "Data", "optional": true, "title": "Import existing", "help": "If you want to import existing key, paste it here. Otherwise, a key will be generated for you.", "type": "multiline", "placeholder": "-----BEGIN RSA PUBLIC KEY-----\nMIIBCgKCAQEA+xGZ/wcz9ugFpP07Nspo6U17l0YhFiFpxxU4pTk3Lifz9R3zsIsu\n..." }