added scroll to bottom template

chat/templates/scroll to bottom/pc-scroll-to-top-qg1e/assets/admin.css

@@ -0,0 +1,97 @@
+.stt-preview-container {
+    border: 1px solid #ddd;
+    padding: 20px;
+    margin-top: 20px;
+    border-radius: 4px;
+    background: #f9f9f9;
+}
+
+.stt-preview-box {
+    position: relative;
+    height: 200px;
+    overflow-y: auto;
+    border: 1px solid #ccc;
+    background: #fff;
+    padding: 15px;
+    font-size: 14px;
+}
+
+.stt-preview-content p {
+    margin-bottom: 10px;
+}
+
+.scroll-to-top-button {
+    position: fixed;
+    opacity: 0;
+    visibility: hidden;
+    transition: opacity 0.3s ease, visibility 0.3s ease;
+    cursor: pointer;
+    z-index: 9999;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.scroll-to-top-button.visible {
+    opacity: 1;
+    visibility: visible;
+}
+
+.scroll-to-top-button.stt-style-circle {
+    border-radius: 50%;
+}
+
+.scroll-to-top-button.stt-style-arrow,
+.scroll-to-top-button.stt-style-text {
+    border-radius: 4px;
+}
+
+.scroll-to-top-button.stt-size-small {
+    width: 40px;
+    height: 40px;
+    font-size: 16px;
+}
+
+.scroll-to-top-button.stt-size-medium {
+    width: 50px;
+    height: 50px;
+    font-size: 20px;
+}
+
+.scroll-to-top-button.stt-size-large {
+    width: 60px;
+    height: 60px;
+    font-size: 24px;
+}
+
+.scroll-to-top-button.stt-position-bottom-right {
+    right: 20px;
+    bottom: 20px;
+}
+
+.scroll-to-top-button.stt-position-bottom-left {
+    left: 20px;
+    bottom: 20px;
+}
+
+.stt-button-content {
+    pointer-events: none;
+}
+
+.stt-style-circle .stt-button-content::before {
+    content: '↑';
+}
+
+.stt-style-arrow .stt-button-content::before {
+    content: '↑';
+}
+
+.stt-style-text .stt-button-content::before {
+    content: 'Top';
+    font-weight: bold;
+}
+
+.color-picker {
+    width: 70px;
+    height: 35px;
+}