test: add unit tests for various components and utilities

- Created tests for formatBytes function to ensure correct formatting of byte values.
- Implemented tests for InjectContext to validate resource injection and cleanup.
- Added tests for logo-class helpers to verify platform alias mappings.
- Developed tests for nezha-api functions to check API response handling.
- Introduced tests for static geographic data to validate country coordinates and GeoJSON structure.
- Created comprehensive tests for utility functions including date formatting and public note parsing.
- Added tests for Server page to ensure correct rendering and functionality.
- Implemented tests for simple pages including error handling and navigation.
- Set up testing environment with Vitest and configured coverage reporting.

.github/dependabot.yml

@@ -14,4 +14,12 @@ updates:
     groups:
       all:
         patterns:
-          - "*"
+          - "*"
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      all:
+        patterns:
+          - "*"