Fix various typos

frontend/public/locales/en/invite.json

@@ -2,7 +2,7 @@
   "description": "Please choose how you want to log in to complete your registration. The recommended way is to log in with either Feide or ID-porten. If that is not possible you can manually fill out the registration form with your passport number or Norwegian national ID number.",
   "header": "Guest registration",
   "guest": "Guests",
-  "guestInfo": "Only for guests. If you have FEIDE-access, choose FEIDE/ID-porten. If not, choose manuel log-in.",
+  "guestInfo": "Only for guests. If you have FEIDE-access, choose FEIDE/ID-porten. If not, choose manual log-in.",
   "errors": {
     "invalidToken": "The invitation link you followed is invalid.",
     "expiredToken": "The invitation link you followed has expired. Contact your host to get a new link."

frontend/public/locales/nb/frontpage.json

@@ -4,5 +4,5 @@
   "sponsor": "Verter",
   "sponsorInfo": "Kun for administratorer av gjester. ",
   "guest": "Gjester",
-  "guestInfo": "Kun for gjester. Innsyn i registert innformasjon."
+  "guestInfo": "Kun for gjester. Innsyn i registert informasjon."
 }

frontend/public/locales/nb/login.json

-{ "login": "Log in (FEIDE/ID-porten)", "manual": "Manuell registrering" }
+{ "login": "Logg inn (FEIDE/ID-porten)", "manual": "Manuell registrering" }

frontend/public/locales/nn/login.json

-{ "login": "Logg in (FEIDE/ID-porten)", "manual": "Manuell registrering" }
+{ "login": "Logg inn (FEIDE/ID-porten)", "manual": "Manuell registrering" }