refact: openapi splitted into separate files

api/schemas/Title.yaml

@@ -0,0 +1,63 @@
+type: object
+required:
+  - id
+  - title_names
+  - tags
+properties:
+  id:
+    type: integer
+    format: int64
+    description: Unique title ID (primary key)
+    example: 1
+  title_names:
+    type: object
+    description: Localized titles. Key = language (ISO 639-1), value = list of names
+    additionalProperties:
+      type: array
+      items:
+        type: string
+        example: Attack on Titan
+      minItems: 1
+      example:
+        - Attack on Titan
+        - AoT
+    example:
+      en:
+        - Attack on Titan
+        - AoT
+      ru:
+        - Атака титанов
+        - Титаны
+      ja:
+        - 進撃の巨人
+  studio:
+    $ref: ./Studio.yaml
+  tags:
+    $ref: ./Tags.yaml
+  poster:
+    $ref: ./Image.yaml
+  title_status:
+    $ref: ./enums/TitleStatus.yaml
+  rating:
+    type: number
+    format: double
+  rating_count:
+    type: integer
+    format: int32
+  release_year:
+    type: integer
+    format: int32
+  release_season:
+    $ref: ./enums/ReleaseSeason.yaml
+  episodes_aired:
+    type: integer
+    format: int32
+  episodes_all:
+    type: integer
+    format: int32
+  episodes_len:
+    type: object
+    additionalProperties:
+      type: number
+      format: double
+additionalProperties: true