Add Getting Started with LDK Node guide

Walkthrough for building a Lightning node with ldk-node in Rust and kotlin
covering node setup, channel management, BOLT11 and BOLT12 payments, and
spontaneous payments using Polar for a local regtest environment.

Author: Camillarhi

docs/.vitepress/config.mts

@@ -65,6 +65,7 @@ const docsSidebar: DefaultTheme.SidebarItem[] = [
           { text: 'Closing a Channel', link: '/building-a-node-with-ldk/closing-a-channel' },
         ],
       },
+      { text: 'Getting Started with LDK Node', link: '/getting-started-with-ldk-node' },
       { text: 'Running a sample LDK node', link: '/running-a-sample-ldk-node' },
       {
         text: 'Advanced Guides',

docs/.vitepress/theme/components/SiteFooter.vue

@@ -21,6 +21,7 @@ const columns: Column[] = [
     children: [
       { text: 'Introduction', link: '/introduction/' },
       { text: 'Building a node with LDK', link: '/building-a-node-with-ldk/introduction/' },
+      { text: 'Getting Started with LDK Node', link: '/getting-started-with-ldk-node/' },
       { text: 'Running a sample LDK node', link: '/running-a-sample-ldk-node/' },
       { text: 'Architecture', link: '/introduction/architecture/' },
       { text: 'Blockchain Data', link: '/blockchain_data/' },

docs/.vuepress/config.js

@@ -57,6 +57,7 @@ const docsSidebar = [
           ["/building-a-node-with-ldk/closing-a-channel", "Closing a Channel"],
         ],
       },
+      ["/getting-started-with-ldk-node", "Getting Started with LDK Node"],
       "/running-a-sample-ldk-node",
       {
         title: "Blockchain Data",
@@ -221,6 +222,10 @@ module.exports = {
               text: "Building a node with LDK",
               link: "/building-a-node-with-ldk/introduction/",
             },
+            {
+              text: "Getting Started with LDK Node",
+              link: "/getting-started-with-ldk-node/",
+            },
             {
               text: "Running a sample LDK node",
               link: "/running-a-sample-ldk-node/",