clean up imports into paragraph and paragraph style

(this prep for importing it from styles)

ts/docx/paragraph/alignment.ts

@@ -0,0 +1,15 @@
+import { XmlAttributeComponent, XmlComponent } from "../xml-components";
+
+type alignmentOptions = "left" | "center" | "right" | "both";
+
+class AlignmentAttributes extends XmlAttributeComponent<{val: alignmentOptions}> {
+    protected xmlKeys = {val: "w:val"};
+}
+
+export class Alignment extends XmlComponent {
+
+    constructor(type: alignmentOptions) {
+        super("w:jc");
+        this.root.push(new AlignmentAttributes({val: type}));
+    }
+}