feat: Add About and Favourites pages, update routing and context management

- Added new routes for About and Favourites pages.
- Implemented About page with version information and credits.
- Created Favourites page with a placeholder message for empty favourites.
- Refactored RegionConfig import paths for consistency.
- Introduced PageTitleContext to manage page titles dynamically.
- Updated various components to utilize the new context for setting page titles.
- Enhanced AppShell layout with a responsive Drawer for navigation.
- Added CSS styles for new components and pages.
- Integrated commit hash display in the About page for version tracking.

1 files changed, 20 insertions, 0 deletions

diff --git a/src/frontend/app/components/ui/PageContainer.css b/src/frontend/app/components/ui/PageContainer.css
new file mode 100644
index 0000000..8a86035
--- /dev/null
+++ b/src/frontend/app/components/ui/PageContainer.css
@@ -0,0 +1,20 @@
+.page-container {
+  max-width: 100%;
+  padding: 0 16px;
+  background-color: var(--background-color);
+  color: var(--text-color);
+}
+
+@media (min-width: 768px) {
+  .page-container {
+    width: 90%;
+    max-width: 768px;
+    margin: 0 auto;
+  }
+}
+
+@media (min-width: 1024px) {
+  .page-container {
+    max-width: 1024px;
+  }
+}