Improve import alias

@file/ and @export/ instead of file/ and export/ etc

src/file/paragraph/math/radical/math-degree-hide.spec.ts

@@ -1,6 +1,6 @@
 import { expect } from "chai";
 
-import { Formatter } from "export/formatter";
+import { Formatter } from "@export/formatter";
 
 import { MathDegreeHide } from "./math-degree-hide";
 

src/file/paragraph/math/radical/math-degree-hide.ts

@@ -1,5 +1,5 @@
 // http://www.datypic.com/sc/ooxml/e-m_degHide-1.html
-import { XmlAttributeComponent, XmlComponent } from "file/xml-components";
+import { XmlAttributeComponent, XmlComponent } from "@file/xml-components";
 
 class MathDegreeHideAttributes extends XmlAttributeComponent<{ readonly hide: number }> {
     protected readonly xmlKeys = { hide: "m:val" };

src/file/paragraph/math/radical/math-degree.spec.ts

@@ -1,6 +1,6 @@
 import { expect } from "chai";
 
-import { Formatter } from "export/formatter";
+import { Formatter } from "@export/formatter";
 
 import { MathRun } from "../math-run";
 import { MathDegree } from "./math-degree";

src/file/paragraph/math/radical/math-degree.ts

@@ -1,5 +1,5 @@
 // http://www.datypic.com/sc/ooxml/e-m_deg-1.html
-import { XmlComponent } from "file/xml-components";
+import { XmlComponent } from "@file/xml-components";
 import { MathComponent } from "../math-component";
 
 export class MathDegree extends XmlComponent {

src/file/paragraph/math/radical/math-radical-properties.spec.ts

@@ -1,6 +1,6 @@
 import { expect } from "chai";
 
-import { Formatter } from "export/formatter";
+import { Formatter } from "@export/formatter";
 
 import { MathRadicalProperties } from "./math-radical-properties";
 

src/file/paragraph/math/radical/math-radical-properties.ts

@@ -1,5 +1,5 @@
 // http://www.datypic.com/sc/ooxml/e-m_radPr-1.html
-import { XmlComponent } from "file/xml-components";
+import { XmlComponent } from "@file/xml-components";
 import { MathDegreeHide } from "./math-degree-hide";
 
 export class MathRadicalProperties extends XmlComponent {

src/file/paragraph/math/radical/math-radical.spec.ts

@@ -1,6 +1,6 @@
 import { expect } from "chai";
 
-import { Formatter } from "export/formatter";
+import { Formatter } from "@export/formatter";
 
 import { MathRun } from "../math-run";
 import { MathRadical } from "./math-radical";

src/file/paragraph/math/radical/math-radical.ts

@@ -1,5 +1,5 @@
 // http://www.datypic.com/sc/ooxml/e-m_rad-1.html
-import { XmlComponent } from "file/xml-components";
+import { XmlComponent } from "@file/xml-components";
 
 import { MathComponent } from "../math-component";
 import { MathBase } from "../n-ary";