bump version, add release notes

Author: Entroper

FF1Blazorizer/Pages/WhatsNew.razor

@@ -1,6 +1,11 @@
 @page "/WhatsNew"
 <div class="content px-4 tinted">
 	<div class="nes-container is-dark col-xs-12">
+        <h1><a href="https://4-9-1.finalfantasyrandomizer.com">Version 4.9.1</a></h1>
+        <h2>Bug Fixes</h2>
+        <ul>
+            <li>Fixed a graphical glitch on trapped floor tiles when opened chests were enabled.</li>
+        </ul>
         <h1><a href="https://4-9-0.finalfantasyrandomizer.com">Version 4.9.0</a></h1>
         <h2>New Features</h2>
         <ul>

FF1Lib/FFRVersion.cs

@@ -3,7 +3,7 @@
 	// THIS FILE IS UPDATED DURING THE BUILD AND DEPLOY. DO NOT EDIT UNLESS YOU KNOW WHAT YOU ARE DOING.
 	public static class FFRVersion
 	{
-		public static readonly string Version = "4.9.0";
+		public static readonly string Version = "4.9.1";
 		public static readonly string Sha = "SHA";
 		public static readonly string Branch = "BRANCH";
 		public static readonly string MasterBranch = "master";