♻️📝 app: Refactor image rendering and update homepage content

- Changed `CommandLine` component placeholder to "mascully.com $".
- Updated `HireMe` component text to include full-time employment availability.
- Added image capabilities to first `ProjectSummary` for "HiveMQ Data Hub" project.
- Refactored `ProjectSummary` image rendering with JXL/WebP formats and responsive `srcset`.
- Updated project descriptions and links, including Carplexity status update and link removal.
- Cleaned up commented code in Endolingual project section.

crates/app/src/lib.rs

@@ -150,7 +150,7 @@ fn HomePage() -> impl IntoView {
 #[component]
 fn HireMe() -> impl IntoView {
     view! {
-        <p>"I am available for freelancing work (remote, European time zone)."</p>
+        <p>"I am available for freelancing work or full-time employment (remote, European time zone)."</p>
         <p>"I can work comfortably with most tech stacks in most domains."</p>
         <p>"Email me at "<a href="mailto:contact@mascully.com">"contact@mascully.com"</a>.</p>
     }