feat: implement kList webapp with Flask framework

Adds complete Flask-based web application for server listing service, including routing, database integration, Discord OAuth, templates, static assets, and configuration.

Handles user authentication, server browsing, and admin dashboard functionality. BROKEN

src/ver/0.0.3/webapp/static/styles/base.css

@@ -0,0 +1,96 @@
+html, body {
+    overflow-y: scroll;
+	margin: 0; /* This removes the extra space */
+}
+
+body {
+    background-color: #000;
+    margin: 0;
+    padding: 0;
+    height: 100%;
+    width: 100%;
+}
+
+code {
+	    margin: 0; /* This removes the extra space */
+}
+
+/* This is the updated rule */
+pre {
+    white-space: pre-wrap;
+    word-break: break-all;
+}
+
+#particles-js {
+    z-index: -1;
+    position: fixed;
+    height: 100%;
+    width: 100%;
+    top: 0;
+}
+
+.invite-button {
+    position: fixed;
+    top: 20px;
+    right: 20px;
+    z-index: 1000;
+}
+
+.list-group-item.active {
+    font-weight: bold;
+}
+
+.list-group-item.active::after {
+    content: ' «';
+    font-size: 1.2em;
+}
+
+@media (max-width: 767px) {
+    .col-md-3 {
+        margin-bottom: 2rem;
+    }
+}
+
+#hidden-admin-button {
+    position: fixed;
+    bottom: 10px;
+    right: 15px;
+    z-index: 9999;
+    font-size: 18px; /* Adjust size as needed */
+    opacity: 0.0; /* Make it semi-transparent */
+    text-decoration: none;
+    transition: opacity 0.2s ease-in-out;
+}
+
+#hidden-admin-button:hover {
+    opacity: 1.0; /* Make it fully visible on hover */
+    color: rgb(255, 125, 125);
+}
+
+.access-toast {
+    position: fixed;
+    bottom: 20px;
+    left: 50%;
+    transform: translateX(-50%);
+    padding: 12px 24px;
+    border-radius: 8px;
+    background-color: #28a745; /* Bootstrap success green */
+    color: white;
+    font-weight: bold;
+    z-index: 10000;
+    opacity: 0;
+    transition: opacity 0.4s ease-in-out, bottom 0.4s ease-in-out;
+}
+
+.access-toast.show {
+    opacity: 1;
+    bottom: 40px;
+}
+
+.center-container {
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            height: 80vh;
+            text-align: center;
+        }