Create custom CI pipeline

.woodpecker/build.yml

@@ -13,7 +13,16 @@ steps:
     commands:
       - go build
     when:
-      event: tag
+      - event: tag
+        platform: [linux/amd64, linux/arm64]
+        
+  - name: build-riscv
+    image: riscv64/golang:1.23.6
+    commands:
+      - go build
+    when:
+      - event: tag
+        platform: [linux/riscv64]
 
   - name: docker
     image: woodpeckerci/plugin-kaniko