adding base blit

src/soft/device/Device.zig

@@ -6,6 +6,7 @@ const SoftDescriptorSet = @import("../SoftDescriptorSet.zig");
 const SoftDevice = @import("../SoftDevice.zig");
 const SoftPipeline = @import("../SoftPipeline.zig");
 
+const Blitter = @import("Blitter.zig");
 const ComputeRoutines = @import("ComputeRoutines.zig");
 const PipelineState = @import("PipelineState.zig");
 
@@ -13,6 +14,8 @@ const VkError = base.VkError;
 
 const Self = @This();
 
+blitter: Blitter,
+
 compute_routines: ComputeRoutines,
 
 /// .graphics = 0
@@ -20,6 +23,7 @@ compute_routines: ComputeRoutines,
 pipeline_states: [2]PipelineState,
 
 pub const init: Self = .{
+    .blitter = .init,
     .compute_routines = undefined,
     .pipeline_states = undefined,
 };