Merge function-builder branch into master

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

@@ -0,0 +1,17 @@
+package nl.astraeus.css.properties
+
+class PageBreak(
+    value: String
+) : CssProperty(value) {
+
+    companion object {
+        val auto = PageBreak("auto")
+        val always = PageBreak("always")
+        val avoid = PageBreak("avoid")
+        val left = PageBreak("left")
+        val right = PageBreak("right")
+        val initial = PageBreak("initial")
+        val inherit = PageBreak("inherit")
+    }
+
+}