Merge pull request 'tables style' (#2) from tables-style into main

Reviewed-on: #2

assets/themes/default/_tables.scss

@@ -0,0 +1,10 @@
+/* tables */
+table, td, th, tr {
+  border: 1px dotted $lightpurple;
+}
+
+table {
+  border-collapse: collapse;
+}
+
+tr:nth-child(even){background-color: $gray;}

assets/themes/default/light.scss

@@ -12,3 +12,4 @@
 @import "header";
 @import "article";
 @import "forms";
+@import "tables"