feat(BUG 540): 新增免疫登记功能

- 添加免疫登记对话框和相关表单
- 实现免疫信息的添加和更新功能
- 优化表单样式，调整标签宽度和对齐方式

project/xumu/AppImmunityManage/add.vue

@@ -75,7 +75,8 @@ export default {
     },
     submit() {
       this.$refs.detail.validate().then(() => {
-        this.instance.post("/api/breed/immunity/update", this.form).then(res => {
+        const action = !this.form.id ? "/api/breed/immunity/add" : "/api/breed/immunity/update"
+        this.instance.post(action, this.form).then(res => {
           if (res?.code == 0) {
             this.dialog = false
             this.getDetail()