Moved add and bench into an examples directory so src is just the library

examples/shaders/add.wgsl

@@ -0,0 +1,24 @@
+enable f16;
+
+@group(0) @binding(0) var<storage, read> A: array<f16>;
+@group(0) @binding(1) var<storage, read> B: array<f16>;
+@group(0) @binding(2) var<storage, read_write> C: array<f16>;
+@group(0) @binding(3) var<uniform> size: u32; 
+
+@compute @workgroup_size(256)
+fn main(
+    @builtin(global_invocation_id) global_id : vec3<u32>,
+    @builtin(num_workgroups) num_workgroups: vec3<u32>
+) {
+    // 1. Calculate the total number of threads across the entire grid
+    let total_threads = num_workgroups.x * 256u; 
+    
+    // 2. Start at this thread's unique global ID
+    var index = global_id.x;
+    
+    // 3. Stride through the tensor elements
+    while (index < size) {
+        C[index] = A[index] + B[index];
+        index += total_threads; // Jump forward by the total thread count
+    }
+}