Added poll create route in backend✔️

backend/src/models/poll.model.js

@@ -0,0 +1,29 @@
+import mongoose, { Schema } from "mongoose";
+
+const pollSchema = new Schema({
+    title : {
+        type : String,
+        required : true,
+        trim : true
+    },
+    description : {
+        type : String,
+        required : true,
+        trim : true
+    },
+    creatorId : {
+        type : Schema.Types.ObjectId,
+        ref : "User",
+        required : true
+    },
+    options : [
+        {
+            type : Object,
+            required : true,
+        }
+    ]
+}, {timestamps : true});
+
+
+const PollModel = mongoose.model("Poll", pollSchema);
+export default PollModel;