Initial public source release

Split reusable rendering and format support into vectorail-core and vectorail-gc.

apps/desktop/shaders/line.vert

@@ -0,0 +1,25 @@
+#version 450 core
+layout (location = 0) in vec3 aPos;
+layout (location = 1) in float aSide;
+layout (location = 2) in vec3 aRight;
+layout (location = 3) in float aTimeMs;
+
+uniform mat4 uProjection;
+uniform mat4 uView;
+uniform float uWidth;
+
+out float vSide;
+out float vDist;
+out float vTrackTimeMs;
+
+void main() {
+    vSide = aSide;
+    vTrackTimeMs = aTimeMs;
+    vec3 finalPos = aPos + aRight * aSide * uWidth;
+
+    // Считаем позицию в пространстве камеры
+    vec4 viewPos = uView * vec4(finalPos, 1.0);
+    vDist = -viewPos.z; // Глубина (дистанция от камеры)
+
+    gl_Position = uProjection * viewPos;
+}