added privacy policy page and about section, improved dir check, fixed crash when idexer is disabled

static/css/style-imageviewer.css

@@ -60,13 +60,6 @@
     gap: 5px; /* Add spacing between buttons */
 }
 
-.image-view-close .btn-nostyle {
-    background-color: inherit;
-    border: none;
-    padding: 0px;
-    cursor: pointer;
-}
-
 #viewer-close-button,
 #viewer-prev-button,
 #viewer-next-button {
@@ -128,6 +121,7 @@
 
 .full-size:hover,
 .proxy-size:hover {
+    transition: all 0.3s ease;
     text-decoration: underline;
 }
 
@@ -136,15 +130,6 @@
     visibility: visible;
 }
 
-/* Button No Style */
-.btn-nostyle {
-    background-color: inherit;
-    border: none;
-    padding: 0px;
-    width: fit-content;
-    cursor: pointer;
-}
-
 /* Image Navigation Icons */
 .image-close,
 .image-next,
@@ -163,6 +148,7 @@
 .image-close:hover,
 .image-next:hover,
 .image-before:hover {
+    transition: all 0.3s ease;
     background-color: var(--image-select);
 }