Add hyphenation support (#2678)

* Add hyphenation support

* Remove unneeded linebreaks

* Add documentation and fix eslint

* Add tests

---------

Co-authored-by: Dolan Miu <dolan_miu@hotmail.com>

src/file/document/body/section-properties/properties/line-number.spec.ts

@@ -0,0 +1,34 @@
+import { describe, expect, it } from "vitest";
+
+import { Formatter } from "@export/formatter";
+
+import { createLineNumberType } from "./line-number";
+
+describe("createLineNumberType", () => {
+    it("should work", () => {
+        const textDirection = createLineNumberType({ countBy: 0, start: 0, restart: "newPage", distance: 10 });
+
+        const tree = new Formatter().format(textDirection);
+        expect(tree).to.deep.equal({
+            "w:lnNumType": { _attr: { "w:countBy": 0, "w:start": 0, "w:restart": "newPage", "w:distance": 10 } },
+        });
+    });
+
+    it("should work with string measures for distance", () => {
+        const textDirection = createLineNumberType({ countBy: 0, start: 0, restart: "newPage", distance: "10mm" });
+
+        const tree = new Formatter().format(textDirection);
+        expect(tree).to.deep.equal({
+            "w:lnNumType": { _attr: { "w:countBy": 0, "w:start": 0, "w:restart": "newPage", "w:distance": "10mm" } },
+        });
+    });
+
+    it("should work with blank entries", () => {
+        const textDirection = createLineNumberType({});
+
+        const tree = new Formatter().format(textDirection);
+        expect(tree).to.deep.equal({
+            "w:lnNumType": { _attr: {} },
+        });
+    });
+});