feat: add 2D rendering pipeline

destrum/assets_src/shaders/quad.frag

@@ -0,0 +1,16 @@
+#version 460
+#extension GL_GOOGLE_include_directive : require
+#extension GL_EXT_nonuniform_qualifier : enable
+
+#include "bindless.glsl"
+
+layout(location = 0) in vec2 inUV;
+layout(location = 1) in vec4 inColor;
+layout(location = 2) flat in uint inTexId;
+
+layout(location = 0) out vec4 outFragColor;
+
+void main() {
+    vec4 texColor = sampleTexture2DLinear(inTexId, inUV);
+    outFragColor = texColor * inColor;
+}