New stylesheet init

Author: tib

Sources/SwiftCss/Stylesheet/Stylesheet.swift

@@ -11,4 +11,8 @@ public struct Stylesheet {
     public init(@RuleBuilder _ builder: () -> [Rule]) {
         self.rules = builder()
     }
+
+    public init(_ rules: [Rule]) {
+        self.rules = rules
+    }
 }

Tests/SwiftCssTests/SelectorTests.swift

@@ -12,6 +12,16 @@ final class SelectorTests: XCTestCase {
 
     // MARK: - margin
 
+    func testRules() {
+        let css = Stylesheet([
+            Charset("UTF-8")
+        ])
+        
+        XCTAssertEqual(StylesheetRenderer().render(css), #"""
+                               @charset "UTF-8";
+                               """#)
+    }
+    
     func testMarginBottom() {
         let css = Stylesheet {
             Media {