Generate invite tokens from admin-fe

This MR allows to create invite tokens, list them on a separate tab, invite users via email. It also updates error handling and allows to generate tokens for resetting password.

Closes #28 (closed)

src/api/invites.js

@@ -13,12 +13,14 @@ export async function generateInviteToken(max_use, expires_at, authHost, token)
 }
 
 export async function inviteViaEmail(email, name, authHost, token) {
+  const url = name.length > 0
+    ? `/api/pleroma/admin/users/email_invite?email=${email}&name=${name}`
+    : `/api/pleroma/admin/users/email_invite?email=${email}`
   return await request({
     baseURL: baseName(authHost),
-    url: `/api/pleroma/admin/users/email_invite`,
+    url,
     method: 'post',
-    headers: authHeaders(token),
-    data: name.length > 0 ? { email, name } : { email }
+    headers: authHeaders(token)
   })
 }