refactor: improve punctuation consistency and add spacing in multiple components

- Replaced em dashes with commas in AgentPro descriptions for "Local Execution" and "Private Data Access"
- Changed em dash to comma in CloudPros description for better readability
- Removed em dash in NetworkUsecases "Service-to-Service Networking" description
- Added bottom spacing elements to NodeBenefits with border styling and padding

src/pages/cloud/CloudPros.tsx

@@ -48,7 +48,7 @@ export function CloudPros() {
           <P className="mt-4 text-gray-700  leading-relaxed">
             Most AI systems run on centralized clouds, where the models, data, and
             logic operate behind third-party APIs. Mycelium Agents flip that
-            architecture—running entirely inside your environment so control,
+            architecture, running entirely inside your environment so control,
             privacy, and autonomy stay with you.
           </P>
         </div>