clean up imports into paragraph and paragraph style

(this prep for importing it from styles)

ts/docx/paragraph/formatting.ts

@@ -0,0 +1,9 @@
+export { Alignment } from "./alignment";
+export { ThematicBreak } from "./border";
+export { Indent } from "./indent";
+export { PageBreak } from "./page-break";
+export { ParagraphProperties } from "./properties";
+export { ISpacingProperties, Spacing } from "./spacing";
+export { Style } from "./style";
+export { LeftTabStop, MaxRightTabStop } from "./tab-stop";
+export { NumberProperties } from "./unordered-list";