Refactor Editor and module functions (#15)

Moved all module functions to separate utils modules

Replaced standard with standard with typescript

Extracted UI elements to separate component

Reviewed-on: https://git.siklos-chaneru.duckdns.org/Siklos/svg-layout-designer-react/pulls/15

src/Components/SVG/Elements/Dimension.tsx

@@ -1,19 +1,19 @@
 import * as React from 'react';
 
 interface IDimensionProps {
-  id: string;
-  xStart: number;
-  xEnd: number;
-  y: number;
-  text: string;
-  strokeWidth: number;
+  id: string
+  xStart: number
+  xEnd: number
+  y: number
+  text: string
+  strokeWidth: number
 }
 
 export class Dimension extends React.PureComponent<IDimensionProps> {
-  public render() {
-    const style = {
+  public render(): JSX.Element {
+    const style: React.CSSProperties = {
       stroke: 'black'
-    } as React.CSSProperties;
+    };
     return (
       <g key={this.props.id}>
         <line