add LICENSE, shaders, Cargo.lock, and AUR package

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

shaders/rainbow_triagle.frag

@@ -0,0 +1,24 @@
+#ifdef GL_ES
+precision mediump float;
+#endif
+
+uniform float time;
+uniform vec2 mouse;
+uniform vec2 resolution;
+
+void main()
+{
+
+    	
+	
+    vec2 r = resolution,o = gl_FragCoord.xy - r / 2.00;
+	
+    o = vec2(max(abs(o.x) * 0.8996 + o.y * 0.5, -o.y) * 2.0 / r.y - 0.25, atan(o.y,o.x));    
+    vec4 s = 0.07 * sin(1.5 * vec4(1,2,3,4) + 2.0 * time / 90.0 + o.y + sin(time) * 1.75),
+    
+    e = s.yzwx, 
+    f = max(o.x - s-0.1, e-o.x);
+    
+    
+    gl_FragColor = dot(clamp(f*r.y,0.,1.), 82.*(s-e)) * (s-.1)*1.5 ;
+}