* Fixed a bunch of little bugs

* Added more options to attachment page and filters
* Much better rendering and updating on attachment page
* Math bug is fixed with better string parsing fixes #14
* Icons are limited to 4 per note
* If an image is visible on note preview it will not appear in images preview
* Touched up text algorithm to better display note titles

client/index.html

@@ -8,7 +8,7 @@
     <link rel="shortcut icon" href="/api/static/assets/favicon.ico" type="image/x-icon"/>
 
     <meta name="theme-color" content="#000" />
-    <link rel="manifest" href="/api/static/assets/manifest.webmanifest">
+    <link rel="manifest" href="/api/static/assets/manifest.json">
 
     <title>Notes</title>
   </head>