feat(web): thread guides

web/index.html

@@ -260,6 +260,10 @@
 			color: unset;
 			text-shadow: unset;
 		}
+		div.context {
+			border-left: 1px solid var(--background-dim);
+			padding-left: 1px;
+		}
 
 	</style>
 </head>

web/src/components/timeline.rs

@@ -108,10 +108,12 @@ pub fn TimelineRepliesRecursive(tl: Timeline, root: String) -> impl IntoView {
 					_ => {
 						let oid = object.id().unwrap_or_default().to_string();
 						view! {
+							<div class="context">
 								<Object object=object />
 								<div class="depth-r">
 									<TimelineRepliesRecursive tl=tl root=oid />
 								</div>
+							</div>
 						}.into_view()
 					},
 				}