chore(fun): //fun/tvl -> //fun/streamTVL

Otherwise this is confusing because //web/tvl is now a thing.

fun/streamTVL/default.nix

@@ -0,0 +1,19 @@
+{ depot, ... }:
+
+depot.third_party.writeShellScriptBin "start-tvl-stream" ''
+  env LD_LIBRARY_PATH=/run/opengl-driver/lib/ ${depot.third_party.ffmpeg}/bin/ffmpeg \
+       -vsync 0 \
+       -hwaccel cuvid \
+       -init_hw_device cuda=0 -filter_hw_device 0 \
+       -f x11grab \
+       -video_size 1920x1080 \
+       -framerate 60 \
+       -thread_queue_size 256 \
+       -i :0.0+0,0 \
+       -filter:v "format=nv12,hwupload,scale_npp=w=1280:h=720:interp_algo=lanczos" \
+       -c:v h264_nvenc \
+       -preset:v llhq \
+       -rc:v cbr_ld_hq \
+       -an \
+       -f flv rtmp://tazj.in:1935/tvl
+''