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

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

shaders/spiral.frag

@@ -0,0 +1,47 @@
+/*
+	@machine_shaman
+*/
+#extension GL_OES_standard_derivatives : enable
+
+#ifdef GL_ES
+precision mediump float;
+#endif
+
+uniform float time;
+uniform vec2 mouse;
+uniform vec2 resolution;
+
+mat2 rotate(float a) {
+	float c = cos(a);
+	float s = sin(a);
+	return mat2(c, -s, s, c);
+}
+
+void main() {
+
+	vec2 uv = (2. * gl_FragCoord.xy - resolution) / resolution.y;
+	vec3 col = vec3(0.);
+	
+	vec3 ro = vec3(0.0, 0.0, -3.0);
+	vec3 rd = vec3(uv, 1.0);
+	vec3 p = vec3(0.0);
+	float t = 0.;
+	
+	for (int i = 0; i < 64; i++) {
+		p = ro + rd * t;	
+		p.xz *= rotate(p.y * 6.28 * 0.5 + time * 0.5);
+		vec2 q = vec2(length(p.xy) - 1., p.z);
+		float d = length(q) - .1;	
+		d = min(d, length(p.xz) - (.3 - .2 * sin(time + p.y * 6.28 * 0.5)));
+		t += 0.5 * d;
+		col += .15 / (1. + t * t * t * 0.8);
+	}
+	
+	
+	
+	
+	
+	gl_FragColor = vec4(col, 1.);
+
+
+}