remove usage of vaadin table => grid instead

Vaadin 8++

drools-framework-admin-console-parent/drools-framework-admin-console/src/main/resources/VAADIN/themes/mytheme/addons.scss

@@ -0,0 +1,7 @@
+/* This file is automatically managed and will be overwritten from time to time. */
+/* Do not manually edit this file. */
+
+/* Import and include this mixin into your project theme to include the addon themes */
+@mixin addons {
+}
+

drools-framework-admin-console-parent/drools-framework-admin-console/src/main/resources/VAADIN/themes/mytheme/mytheme.scss

@@ -0,0 +1,30 @@
+// If you edit this file you need to compile the theme. See README.md for details.
+// Global variable overrides. Must be declared before importing Valo.
+// Defines the plaintext font size, weight and family. Font size affects general component sizing.
+//$v-font-size: 16px;
+//$v-font-weight: 300;
+//$v-font-family: "Open Sans", sans-serif;
+// Defines the border used by all components.
+//$v-border: 1px solid (v-shade 0.7);
+//$v-border-radius: 4px;
+// Affects the color of some component elements, e.g Button, Panel title, etc
+//$v-background-color: hsl(210, 0%, 98%);
+// Affects the color of content areas, e.g  Panel and Window content, TextField input etc
+//$v-app-background-color: $v-background-color;
+// Affects the visual appearance of all components
+//$v-gradient: v-linear 8%;
+//$v-bevel-depth: 30%;
+//$v-shadow-opacity: 5%;
+// Defines colors for indicating status (focus, success, failure)
+//$v-focus-color: valo-focus-color(); // Calculates a suitable color automatically
+//$v-friendly-color: #2c9720;
+//$v-error-indicator-color: #ed473b;
+// For more information, see: https://vaadin.com/book/-/page/themes.valo.html
+// Example variants can be copy/pasted from https://vaadin.com/wiki/-/wiki/Main/Valo+Examples
+@import "../valo/valo.scss";
+
+@mixin mytheme {
+  @include valo;
+
+  // Insert your own theme rules here
+}

drools-framework-admin-console-parent/drools-framework-admin-console/src/main/resources/VAADIN/themes/mytheme/styles.scss

@@ -0,0 +1,11 @@
+@import "mytheme.scss";
+@import "addons.scss";
+
+// This file prefixes all rules with the theme name to avoid causing conflicts with other themes.
+// The actual styles should be defined in mytheme.scss
+
+.mytheme {
+  @include addons;
+  @include mytheme;
+
+}