change dependencies to be more sharable

src/controller/dns_controller.rs

@@ -1,12 +1,18 @@
 use crate::controller::Controller;
 
 impl Controller {
-    pub async fn add_domain_to_dns(&self, domain: &str) -> Result<(), Box<dyn std::error::Error>> {
+    pub(in crate::controller) async fn add_domain_to_dns(
+        &self,
+        domain: &str,
+    ) -> Result<(), Box<dyn std::error::Error>> {
         self.dns_manager.add_domain(domain, self.pub_addr).await?;
         Ok(())
     }
 
-    pub async fn del_domain_to_dns(&self, domain: &str) -> Result<(), Box<dyn std::error::Error>> {
+    pub(in crate::controller) async fn del_domain_to_dns(
+        &self,
+        domain: &str,
+    ) -> Result<(), Box<dyn std::error::Error>> {
         self.dns_manager.del_domain(domain).await?;
         Ok(())
     }