feat: add contact list panel (#10)

Reviewed-on: #10

crates/ui/src/icon.rs

@@ -23,6 +23,7 @@ pub enum IconName {
     ArrowLeft,
     ArrowRight,
     Boom,
+    Book,
     ChevronDown,
     CaretDown,
     CaretRight,
@@ -90,6 +91,7 @@ impl IconNamed for IconName {
             Self::ArrowLeft => "icons/arrow-left.svg",
             Self::ArrowRight => "icons/arrow-right.svg",
             Self::Boom => "icons/boom.svg",
+            Self::Book => "icons/book.svg",
             Self::ChevronDown => "icons/chevron-down.svg",
             Self::CaretDown => "icons/caret-down.svg",
             Self::CaretRight => "icons/caret-right.svg",