add sway and waybar configs, misc other stuff

_config/mpv/.gitignore

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+watch_later/*

_config/mpv/mpv.conf

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+profile=gpu-hq
+scale=ewa_lanczossharp
+cscale=ewa_lanczossharp
+loop-file=yes

_config/mpv/sbs.conf

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+glsl_shader=~~/sbs-tweak.glsl
+loop-file=yes

_config/mpv/shaders/sbs-tweak.glsl

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+//!HOOK CHROMA
+//!BIND HOOKED
+//!BIND LUMA
+
+vec4 hook() {
+  vec3 _m = vec3(HOOKED_pos, 0.5);
+  return vec4(_m, 1.0);
+}