Add initial services

como_infrastructure/src/services/item_service.rs

@@ -0,0 +1,11 @@
+use como_core::items::ItemService;
+
+pub struct DefaultItemService {}
+
+impl DefaultItemService {
+    pub fn new() -> Self {
+        Self {}
+    }
+}
+
+impl ItemService for DefaultItemService {}

como_infrastructure/src/services/mod.rs

@@ -0,0 +1,3 @@
+pub mod item_service;
+pub mod project_service;
+pub mod user_service;

como_infrastructure/src/services/project_service.rs

@@ -0,0 +1,11 @@
+use como_core::projects::ProjectService;
+
+pub struct DefaultProjectService {}
+
+impl DefaultProjectService {
+    pub fn new() -> Self {
+        Self {}
+    }
+}
+
+impl ProjectService for DefaultProjectService {}

como_infrastructure/src/services/user_service.rs

@@ -0,0 +1,11 @@
+use como_core::users::UserService;
+
+pub struct DefaultUserService {}
+
+impl DefaultUserService {
+    pub fn new() -> Self {
+        Self {}
+    }
+}
+
+impl UserService for DefaultUserService {}