Update API urls in accordance with new docs

Closes #19 (closed)

src/api/users.js

@@ -56,23 +56,23 @@ export async function deleteUser(nickname, authHost, token) {
   })
 }
 
-export async function tagUser(nickname, tag, authHost, token) {
+export async function tagUser(nicknames, tags, authHost, token) {
   return await request({
     baseURL: baseName(authHost),
     url: '/api/pleroma/admin/users/tag',
     method: 'put',
     headers: authHeaders(token),
-    data: { nicknames: [nickname], tags: [tag] }
+    data: { nicknames, tags }
   })
 }
 
-export async function untagUser(nickname, tag, authHost, token) {
+export async function untagUser(nicknames, tags, authHost, token) {
   return await request({
     baseURL: baseName(authHost),
     url: '/api/pleroma/admin/users/tag',
     method: 'delete',
     headers: authHeaders(token),
-    data: { nicknames: [nickname], tags: [tag] }
+    data: { nicknames, tags }
   })
 }