fix brackets model name

src/models/brackets.js

@@ -1,6 +1,6 @@
 const { Schema, model } = require('mongoose')
 
-const streams = new Schema({
+const brackets = new Schema({
   name: {
     type: String,
     required: true,
@@ -15,6 +15,6 @@ const streams = new Schema({
   }],
 })
 
-const Stream = model('Streams', streams)
+const Bracket = model('Brackets', brackets)
 
-module.exports = Stream
+module.exports = Bracket