create basic components for index

- Updated layout
- Include CSS reset
- Include Catppuccin color variables
- Add basic styling
- Create navbar component

src/assets/style/utils.css

@@ -0,0 +1,9 @@
+.hstack {
+  display: flex;
+  gap: 1rem;
+  align-items: center;
+}
+
+.list-unstyle {
+  list-style: none;
+}