Merge function-builder branch into master

src/commonMain/kotlin/nl/astraeus/css/properties/Punctuation.kt

@@ -0,0 +1,17 @@
+package nl.astraeus.css.properties
+
+class HangingPunctuation(
+    value: String
+) : CssProperty(value) {
+
+    companion object {
+        val none = HangingPunctuation("none")
+        val first = HangingPunctuation("first")
+        val last = HangingPunctuation("last")
+        val allowEnd = HangingPunctuation("allow-end")
+        val forceEnd = HangingPunctuation("force-end")
+        val initial = HangingPunctuation("initial")
+        val inherit = HangingPunctuation("inherit")
+    }
+
+}