feat: Begins hvac system performance

Sources/HTMLSnapshotTesting/HTMLSnapshotTesting.swift

@@ -0,0 +1,22 @@
+import Elementary
+@preconcurrency import SnapshotTesting
+
+public extension Snapshotting where Value == (any HTML), Format == String {
+  static var html: Snapshotting {
+    var snapshotting = SimplySnapshotting.lines
+      .pullback { (html: any HTML) in html.renderFormatted() }
+
+    snapshotting.pathExtension = "html"
+    return snapshotting
+  }
+}
+
+public extension Snapshotting where Value == String, Format == String {
+  static var html: Snapshotting {
+    var snapshotting = SimplySnapshotting.lines
+      .pullback { $0 }
+
+    snapshotting.pathExtension = "html"
+    return snapshotting
+  }
+}