Mobile Api: Admin investasi

Add:
- src/app/api/mobile/admin/investment/

Fix:
-   src/app/api/mobile/investment/route.ts

### No Issue

src/app/api/mobile/admin/investment/[id]/invoice/route.ts

@@ -0,0 +1,45 @@
+import { NextResponse } from "next/server";
+import { prisma } from "@/lib";
+
+export { GET };
+
+async function GET(req: Request, { params }: { params: { id: string } }) {
+  const { id } = params;
+
+  try {
+    const data = await prisma.investasi_Invoice.findUnique({
+      where: {
+        id: id,
+      },
+      select: {
+        id: true,
+        investasiId: true,
+        nominal: true,
+        createdAt: true,
+        Author: true,
+        StatusInvoice: true,
+        imageId: true,
+        MasterBank: true,
+      },
+    });
+
+    return NextResponse.json(
+      {
+        success: true,
+        message: "Berhasil mendapatkan data",
+        data: data,
+      },
+      { status: 200 }
+    );
+  } catch (error) {
+    console.log("[ERROR]", error);
+    return NextResponse.json(
+      {
+        success: false,
+        message: "Error get detail Investasi",
+        reason: (error as Error).message,
+      },
+      { status: 500 }
+    );
+  }
+}