docs: add Go module proxy support to README (#62)

* docs: add Go module proxy to README, update dashboard GIF

- Add Go Modules to supported registries table
- Add Go usage example (GOPROXY)
- Add Go config.toml example
- Add /go/ endpoint to endpoints table
- Update dashboard GIF with 6 registry cards in one row
- Fix registries count: 6 package registries

* feat(ui): add Raw storage to dashboard, sidebar, and list pages

- Raw Storage card on dashboard with file count and size
- Raw in sidebar navigation with file icon
- Raw list and detail pages (/ui/raw)
- Raw mount point in mount points table
- Grid updated to 7 columns for all registry cards
- README: 7 registries, add Go module proxy docs

* docs: add product badges (release, image size, downloads)

nora-registry/src/ui/mod.rs

@@ -89,6 +89,8 @@ pub fn routes() -> Router<Arc<AppState>> {
         .route("/ui/pypi/{name}", get(pypi_detail))
         .route("/ui/go", get(go_list))
         .route("/ui/go/{*name}", get(go_detail))
+        .route("/ui/raw", get(raw_list))
+        .route("/ui/raw/{*name}", get(raw_detail))
         // API endpoints for HTMX
         .route("/api/ui/stats", get(api_stats))
         .route("/api/ui/dashboard", get(api_dashboard))
@@ -338,3 +340,41 @@ async fn go_detail(
     let detail = get_go_detail(&state.storage, &name).await;
     Html(render_package_detail("go", &name, &detail, lang))
 }
+
+// Raw pages
+async fn raw_list(
+    State(state): State<Arc<AppState>>,
+    Query(query): Query<ListQuery>,
+    headers: axum::http::HeaderMap,
+) -> impl IntoResponse {
+    let lang = extract_lang_from_list(&query, headers.get("cookie").and_then(|v| v.to_str().ok()));
+    let page = query.page.unwrap_or(1).max(1);
+    let limit = query.limit.unwrap_or(DEFAULT_PAGE_SIZE).min(100);
+
+    let all_files = state.repo_index.get("raw", &state.storage).await;
+    let (files, total) = paginate(&all_files, page, limit);
+
+    Html(render_registry_list_paginated(
+        "raw",
+        "Raw Storage",
+        &files,
+        page,
+        limit,
+        total,
+        lang,
+    ))
+}
+
+async fn raw_detail(
+    State(state): State<Arc<AppState>>,
+    Path(name): Path<String>,
+    Query(query): Query<LangQuery>,
+    headers: axum::http::HeaderMap,
+) -> impl IntoResponse {
+    let lang = extract_lang(
+        &Query(query),
+        headers.get("cookie").and_then(|v| v.to_str().ok()),
+    );
+    let detail = get_raw_detail(&state.storage, &name).await;
+    Html(render_package_detail("raw", &name, &detail, lang))
+}