feat: add dark theme, matrix and FA link, fix inline SVG aria label

src/components/inline-svg.astro

@@ -0,0 +1,12 @@
+---
+import type { SvgComponent } from "astro/types";
+
+interface Props {
+  SvgComponent: SvgComponent;
+  svgSize?: number;
+}
+
+const { SvgComponent, svgSize = 24 } = Astro.props;
+---
+
+<SvgComponent height={svgSize} width={svgSize} role="presentation" />