Simplify shader compilation step

data/shaders/basic.frag

@@ -0,0 +1,8 @@
+#version 450
+
+layout(location = 0) in vec2 fragCoord;
+layout(location = 0) out vec4 fragColor;
+
+void main() {
+    fragColor = vec4(fragCoord, 0.0, 1.0);
+}

data/shaders/basic.vert

@@ -0,0 +1,8 @@
+#version 450
+
+layout(location = 0) in vec2 inCoord;
+layout(location = 0) out vec2 outCoord;
+
+void main() {
+    outCoord = inCoord;
+}