- added custom spinner to use instead of imported ones

- added new empty blog post
- changed react-helmet to react-helmet-async for faster tab title change and reduced console warning
- better eslint config and corresponding warning fixes (changing let -> const, removed unused variables, etc.)
- removed redundant Router from footer
- removed ignored preload attribute value from font loading link tag in index.html

source/src/components/ThemeToggleButton.tsx

@@ -28,7 +28,7 @@ function Navbar() {
 						data-tip
 						data-for="theme"
 						className="right"
-						onClick={(_: any) =>
+						onClick={() =>
 							_theme.setTheme(
 								_theme.mode === "dark"
 									? { ..._theme, mode: "light" }