Add new statistics view

UI/Base/ChartJs.ts

@@ -17,6 +17,17 @@ export default class ChartJs<
     
     protected InnerConstructElement(): HTMLElement {
         const canvas = document.createElement("canvas");
+        // A bit exceptional: we apply the styles before giving them to 'chartJS'
+        if(this.style !== undefined){
+            canvas.style.cssText = this.style
+        }
+        if (this.clss?.size > 0) {
+            try {
+                canvas.classList.add(...Array.from(this.clss))
+            } catch (e) {
+                console.error("Invalid class name detected in:", Array.from(this.clss).join(" "), "\nErr msg is ", e)
+            }
+        }
         new Chart(canvas, this._config);
         return canvas;
     }