Renamed the Web package as Infrastructure (#25)

This PR contains the work done to rename the _Web_ package as _Infrastructure_, to provide a clear naming and purpose to this particular package within the project.

To provide further details about the work:

* Infrastructure
  * Asset fingerprinting: an FNV-1a token derived from the static files directory, appended as ?v= to asset URLs so deploys bust caches; pre-rendered pages also revalidate via weak ETags.
  * New middlewares: fixed-window RateLimitMiddleware (per-client budgets keyed by trusted X-Forwarded-For or remote address) and VaryMiddleware (Accept-Encoding on every response); SecurityHeadersMiddleware now also stamps error responses.
  * Auto-generated HEAD endpoints, cache max-age configuration, and Docker build/Compose refinements.
  * Protocols and scaffolding: Asset/AssetExtension, the Page protocol (viewport, stylesheets, scripts, versioned URLs), and LocalizedRequestContext.
  * Rate limiter's counter store swapped from an actor to a Mutex (no executor hop per request) with amortized batch eviction instead of O(n²) scans under client floods.
  * FingerprintAssets reports unreadable files to a logger instead of silently producing a token that never busts their cache.

Reviewed-on: rock-n-code/loud-amsterdam#25
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>

Packages/Infrastructure/Package.swift

@@ -16,6 +16,13 @@ let package = Package(
         ),
     ],
     dependencies: [
+        .package(
+            path: "../Localization"
+        ),
+        .package(
+            url: "https://github.com/elementary-swift/elementary.git",
+            from: "0.6.0"
+        ),
         .package(
             url: "https://github.com/hummingbird-project/hummingbird.git",
             from: "2.25.0"
@@ -25,6 +32,11 @@ let package = Package(
         .target(
             name: "Infrastructure",
             dependencies: [
+                .byName(name: "Localization"),
+                .product(
+                    name: "Elementary",
+                    package: "elementary"
+                ),
                 .product(
                     name: "Hummingbird",
                     package: "hummingbird"
@@ -36,12 +48,21 @@ let package = Package(
             name: "InfrastructureTests",
             dependencies: [
                 .byName(name: "Infrastructure"),
+                .product(
+                    name: "Elementary",
+                    package: "elementary"
+                ),
                 .product(
                     name: "HummingbirdTesting",
                     package: "hummingbird"
                 ),
             ],
-            path: "Tests"
+            path: "Tests",
+            resources: [
+                // Copied verbatim rather than processed: the String Catalog is read as raw JSON at
+                // runtime so it resolves identically on Darwin and Linux (which cannot compile it).
+                .copy("Catalogs/Localizable.xcstrings")
+            ]
         ),
     ]
 )