Turn Run into a declaritive API

src/file/footnotes/footnote/run/continuation-seperator-run.ts

@@ -3,7 +3,7 @@ import { ContinuationSeperator } from "./continuation-seperator";
 
 export class ContinuationSeperatorRun extends Run {
     constructor() {
-        super();
+        super({});
 
         this.root.push(new ContinuationSeperator());
     }

src/file/footnotes/footnote/run/footnote-ref-run.ts

@@ -3,9 +3,10 @@ import { FootnoteRef } from "./footnote-ref";
 
 export class FootnoteRefRun extends Run {
     constructor() {
-        super();
+        super({
+            style: "FootnoteReference",
+        });
 
-        this.style("FootnoteReference");
         this.root.push(new FootnoteRef());
     }
 }

src/file/footnotes/footnote/run/reference-run.ts

@@ -26,7 +26,7 @@ export class FootnoteReference extends XmlComponent {
 
 export class FootnoteReferenceRun extends Run {
     constructor(id: number) {
-        super();
+        super({});
 
         this.properties.push(new Style("FootnoteReference"));
 

src/file/footnotes/footnote/run/seperator-run.ts

@@ -3,7 +3,7 @@ import { Seperator } from "./seperator";
 
 export class SeperatorRun extends Run {
     constructor() {
-        super();
+        super({});
 
         this.root.push(new Seperator());
     }