Add vertex-format snorm10-10-10-2 (#601)

Add vertex-format snorm10-10-10-2
https://github.com/gpuweb/gpuweb/pull/6491

webgpu.h

diff --git a/webgpu.h b/webgpu.h
index b5e822b..16a5671 100644
--- a/webgpu.h
+++ b/webgpu.h
@@ -1209,6 +1209,7 @@
     WGPUVertexFormat_Sint32x4 = 0x00000027,
     WGPUVertexFormat_Unorm10_10_10_2 = 0x00000028,
     WGPUVertexFormat_Unorm8x4BGRA = 0x00000029,
+    WGPUVertexFormat_Snorm10_10_10_2 = 0x0000002A,
     WGPUVertexFormat_Force32 = 0x7FFFFFFF
 } WGPUVertexFormat WGPU_ENUM_ATTRIBUTE;
 

webgpu.json

diff --git a/webgpu.json b/webgpu.json
index 68feb9a..e95fa73 100644
--- a/webgpu.json
+++ b/webgpu.json
@@ -2345,6 +2345,10 @@
         {
           "doc": "TODO\n",
           "name": "unorm8x4_B_G_R_A"
+        },
+        {
+          "doc": "TODO\n",
+          "name": "snorm10__10__10__2"
         }
       ],
       "name": "vertex_format"

webgpu.yml

diff --git a/webgpu.yml b/webgpu.yml
index 3dbb967..5b8ac46 100644
--- a/webgpu.yml
+++ b/webgpu.yml
@@ -1475,6 +1475,9 @@
       - name: unorm8x4_B_G_R_A
         doc: |
           TODO
+      - name: snorm10__10__10__2
+        doc: |
+          TODO
   - name: vertex_step_mode
     doc: |
       TODO