Add missing fields for repo metadata

Signed-off-by: Trivernis <trivernis@protonmail.com>

mediarepo-api/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mediarepo-api"
-version = "0.17.0"
+version = "0.18.0"
 edition = "2018"
 license = "gpl-3"
 

mediarepo-api/src/types/repo.rs

@@ -11,8 +11,10 @@ pub struct RepositoryMetadata {
     pub file_count: u64,
     pub tag_count: u64,
     pub namespace_count: u64,
+    pub mapping_count: u64,
+    pub hash_count: u64,
     pub total_size: u64,
-    pub image_size: u64,
+    pub file_size: u64,
     pub database_size: u64,
     pub thumbnail_size: u64,
 }