feat: add chromium hardware acceleration

doc/chromium.md

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+1. install vaapi vdpau package:
+    archlinux
+    ```sh
+    sudo pacman -S libva-mesa-driver mesa-vdpau
+    ```
+2. enable following flags:
+  - chrome://flags/#ignore-gpu-blocklist
+  - chrome://flags/#enable-accelerated-video-decode
+3. verification
+  - chrome://gpu