Adds case study page

Author: Conor Okus

docs/.vuepress/public/img/cash-app-logo.png

@@ -5,5 +5,81 @@ heroText: "Case Studies"
 tagline: "A list of bitcoin applications building with LDK. If you’re using LDK we’d love to hear about your experience!"
 actionText: "Let us know!"
 actionLink: "https://github.com/orgs/lightningdevkit/discussions/1554"
+features:
+  - title: "The Eye of Satoshi"
+    details: "A watchtower with a specific focus on lightning"
+    imageSrc: "/"
+    imageAlt: "teos logo"
+    caseStudyLink: "/blog/teos-uses-ldk-to-build-open-source-watchtower/"
+  - title: "Cash App"
+    details: "The easy way to send, spend, bank, and invest"
+    imageSrc: "/img/cash-app-logo.png"
+    imageAlt: "cash app logo"
+    caseStudyLink: "/blog/cashapp-enables-lightning-withdrawals-and-deposits-using-ldk/"
+  - title: "Sensei"
+    details: "A lightning node implementation for everyone"
+    imageSrc: "/"
+    imageAlt: "sensei logo"
+    caseStudyLink: "/blog/sensei-uses-ldk-to-build-a-multi-node-lightning-server-application/"
 editLink: false
+lastUpdated: false
 ---
+
+<h1 class="more-cases-heading">
+   Meet all the projects using LDK!
+</h1>
+
+<CodeSwitcher :languages="{noncustodial:'Non-Custodial Wallets', custodial:'Custodial Wallets', infra:'Non-Custodial Infrastructure', router:'LN Router', lsp:'LSP', experiments:'Experiments', education: 'Educational Apps'}">
+  <template v-slot:noncustodial>
+
+  </template>
+
+  <template v-slot:custodial>
+
+   <h1>
+   Custodial
+   </h1>
+
+  </template>
+
+  <template v-slot:infra>
+
+   <h1>
+   Infra
+  </h1>
+
+  </template>
+
+  <template v-slot:router>
+
+   <h1>
+   Router
+  </h1>
+
+  </template>
+
+  <template v-slot:lsp>
+
+   <h1>
+   LSP
+  </h1>
+
+  </template>
+
+  <template v-slot:experiments>
+
+   <h1>
+   Experiments
+  </h1>
+
+  </template>
+
+  <template v-slot:education>
+
+  <h1>
+  Education
+  </h1>
+
+  </template>
+
+</CodeSwitcher>