feat: add revoke token button

lib/token-manager.js

@@ -1,8 +1,13 @@
 const db = require('./db')
 
-function getTokenList() {
-    const sql = `select * from user_tokens`
-    return db.any(sql);
+function getTokenList () {
+  const sql = `select * from user_tokens`
+  return db.any(sql)
 }
 
-module.exports = { getTokenList }
+function revokeToken (token) {
+  const sql = `delete from user_tokens where token = $1`
+  return db.none(sql, [token])
+}
+
+module.exports = { getTokenList, revokeToken }