add theme vars

Author: huangshuwei

packages/theme-dark/var.less

@@ -5,6 +5,9 @@
 @ve-table-head-row-height: 40px;
 @ve-table-body-row-height: 40px;
 @ve-table-foot-row-height: 40px;
+@ve-table-head-row-td-padding: 10px;
+@ve-table-body-row-td-padding: 10px;
+@ve-table-foot-row-td-padding: 10px;
 @ve-table-border-color: #000;
 @ve-table-td-selection-border-color: #2196f3;
 @ve-table-body-background-color: #141414;

packages/theme-default/var.less

@@ -5,6 +5,9 @@
 @ve-table-head-row-height: 40px;
 @ve-table-body-row-height: 40px;
 @ve-table-foot-row-height: 40px;
+@ve-table-head-row-td-padding: 10px;
+@ve-table-body-row-td-padding: 10px;
+@ve-table-foot-row-td-padding: 10px;
 @ve-table-border-color: #eee;
 @ve-table-td-selection-border-color: #2196f3;
 @ve-table-body-background-color: #fff;