move axisScale to y-axis-definition component

pdb-js/src/app/y-axis-definition/y-axis-definition.component.html

@@ -1,4 +1,13 @@
 <div>
+  
+    <mat-form-field>
+      <mat-label>Y-Axis:</mat-label>
+      <mat-select [(value)]="yAxisScale">
+        <mat-option value="LOG10">Logarithm</mat-option>
+        <mat-option value="LINEAR">Linear</mat-option>
+      </mat-select>
+    </mat-form-field>
+
    <mat-form-field class="pdb-form-mid">
     <mat-label>Y-Axis Range:</mat-label>
     <mat-select [(value)]="yAxisUnit">

pdb-js/src/app/y-axis-definition/y-axis-definition.component.ts

@@ -7,6 +7,8 @@ import { Component,  Input } from '@angular/core';
 })
 export class YAxisDefinitionComponent {
 
+
+  yAxisScale: string = "LOG10";
   yAxisUnit: string = "SECONDS";
   minYValue: number = 0;
   maxYValue: number = 300;