Merge pull request 'tables&blockquote style' (#1163) from tirbal/Plume:tables-style into main

Reviewed-on: https://git.joinplu.me/Plume/Plume/pulls/1163
Reviewed-by: trinity-1686a <trinity-1686a@noreply@joinplu.me>

assets/themes/default/_article.scss

@@ -98,7 +98,7 @@ main article {
   }
 
   blockquote {
-    border-inline-start: 5px solid $gray;
+    border-inline-start: 5px solid $lightpurple;
     margin: 1em auto;
     padding: 0em 2em;
   }

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/dark.scss

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

assets/themes/default/light.scss

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