feat: add documentation crate and integrate OpenAPI specifications

- Added a new crate `doc` for API documentation.
- Integrated `utoipa` for OpenAPI support in the presentation layer.
- Updated routes to include social features (follow, unfollow, etc.) and diary export.
- Enhanced API request and response structures with new DTOs for social interactions.
- Updated `Cargo.toml` files to include new dependencies and features.
- Modified Dockerfile to copy the new documentation crate.
- Refactored existing handlers and routes to accommodate new API endpoints.
- Updated tests to cover new functionality and ensure proper API behavior.

crates/presentation/tests/api_test.rs

@@ -167,7 +167,7 @@ async fn get_api_diary_returns_empty_list() {
     let response = app
         .oneshot(
             Request::builder()
-                .uri("/api/diary")
+                .uri("/api/v1/diary")
                 .body(Body::empty())
                 .unwrap(),
         )
@@ -192,7 +192,7 @@ async fn post_api_reviews_without_auth_returns_401() {
         .oneshot(
             Request::builder()
                 .method("POST")
-                .uri("/api/reviews")
+                .uri("/api/v1/reviews")
                 .header("content-type", "application/json")
                 .body(Body::from(
                     r#"{"rating":4,"watched_at":"2026-01-01T20:00:00","manual_title":"Dune","manual_release_year":2021}"#,
@@ -212,7 +212,7 @@ async fn post_api_auth_login_unknown_user_returns_401() {
         .oneshot(
             Request::builder()
                 .method("POST")
-                .uri("/api/auth/login")
+                .uri("/api/v1/auth/login")
                 .header("content-type", "application/json")
                 .body(Body::from(r#"{"email":"a@b.com","password":"x"}"#))
                 .unwrap(),