- Added new apis

app/Models/LegalOpinionHighlight.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Models;
+use Illuminate\Database\Eloquent\Model;
+
+class LegalOpinionHighlight extends Model {
+    protected $fillable = ['user_id', 'legal_opinion_id', 'start_index', 'end_index', 'selected_text', 'color_code'];
+}