fix fields visibility

Make fields public in Resource struct for accessibility

src/lib.rs

@@ -89,13 +89,13 @@ pub mod config {
     #[derive(Clone, Serialize, Deserialize, PartialEq, prost::Message)]
     pub struct Resource {
         #[prost(uint32, tag = "1")]
-        memory_mb: u32,
+        pub memory_mb: u32,
         #[prost(uint32, tag = "2")]
-        disk_mb: u32,
+        pub disk_mb: u32,
         #[prost(uint32, tag = "3")]
-        vcpu: u32,
+        pub vcpu: u32,
         #[prost(uint32, repeated, tag = "4")]
-        port: Vec<u32>,
+        pub port: Vec<u32>,
     }
 
     #[derive(Clone, Serialize, Deserialize, prost::Message)]