feat: move project to crates

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/como_core/src/items/mod.rs

@@ -0,0 +1,31 @@
+use std::sync::Arc;
+
+use async_trait::async_trait;
+use como_domain::{
+    item::{
+        queries::{GetItemQuery, GetItemsQuery},
+        requests::{CreateItemDto, UpdateItemDto},
+        responses::CreatedItemDto,
+        ItemDto,
+    },
+    Context,
+};
+
+pub type DynItemService = Arc<dyn ItemService + Send + Sync>;
+
+#[async_trait]
+pub trait ItemService {
+    async fn add_item(
+        &self,
+        context: &Context,
+        item: CreateItemDto,
+    ) -> anyhow::Result<CreatedItemDto>;
+    async fn get_item(&self, context: &Context, query: GetItemQuery) -> anyhow::Result<ItemDto>;
+    async fn get_items(
+        &self,
+        context: &Context,
+        query: GetItemsQuery,
+    ) -> anyhow::Result<Vec<ItemDto>>;
+
+    async fn update_item(&self, context: &Context, item: UpdateItemDto) -> anyhow::Result<ItemDto>;
+}