Add check for no_std compatibility

Author: Systemcluster

.github/workflows/tests.yml

@@ -49,13 +49,20 @@ jobs:
           channel: ${{ matrix.toolchain }}
           components: |
             clippy
+          targets: |
+            wasm32v1-none
           cache-key-job: true
 
       - name: Check
         run: |
           cargo check -p kitoken
           cargo clippy -p kitoken
 
+      - name: Check (no_std)
+        continue-on-error: true
+        run: |
+          cargo check -p kitoken --target wasm32v1-none --no-default-features
+
       - name: Test
         continue-on-error: true
         id: test