feat: Updated OpenAPI spec (#46)

Co-authored-by: github-actions[bot] <dependabot@bot.com>

Author: HavenDV

src/libs/DeepL/openapi.yaml

@@ -551,13 +551,16 @@ paths:
                     in the same order as they are requested. Each text in the array is translated independently — texts
                     do not share context with each other.
                   type: array
+                  x-default:
+                    - Hello, World!
                   items:
                     type: string
                     example: Hello, World!
                 source_lang:
                   $ref: '#/components/schemas/SourceLanguage'
                 target_lang:
                   $ref: '#/components/schemas/TargetLanguage'
+                  x-default: DE
                 context:
                   $ref: '#/components/schemas/Context'
                 show_billed_characters:
@@ -1827,6 +1830,8 @@ paths:
                 text:
                   description: Text to be improved. Only UTF-8-encoded plain text is supported. Improvements are returned in the same order as they are requested.
                   type: array
+                  x-default:
+                    - this is a example sentence to imprve
                   items:
                     type: string
                     example: this is a example sentence to imprve
@@ -1845,6 +1850,8 @@ paths:
                 text:
                   description: Text to be improved. Only UTF-8-encoded plain text is supported. Improvements are returned in the same order as they are requested.
                   type: array
+                  x-default:
+                    - this is a example sentence to imprve
                   items:
                     type: string
                     example: this is a example sentence to imprve
@@ -1922,6 +1929,8 @@ paths:
                 text:
                   description: Text to be corrected. Only UTF-8-encoded plain text is supported. Corrections are returned in the same order as they are requested.
                   type: array
+                  x-default:
+                    - this is a example sentence to imprve
                   items:
                     type: string
                     example: this is a example sentence to imprve
@@ -1936,6 +1945,8 @@ paths:
                 text:
                   description: Text to be corrected. Only UTF-8-encoded plain text is supported. Corrections are returned in the same order as they are requested.
                   type: array
+                  x-default:
+                    - this is a example sentence to imprve
                   items:
                     type: string
                     example: this is a example sentence to imprve
@@ -2329,6 +2340,7 @@ paths:
               - write
               - style_rules
           example: translate_text
+          x-default: translate_text
           description: |-
             The resource to retrieve languages for. Supported values: `translate_text`, `translate_document`,
             `glossary`, `voice`, `write`, `style_rules`.
@@ -2611,8 +2623,10 @@ paths:
               properties:
                 name:
                   $ref: '#/components/schemas/StyleRuleName'
+                  x-default: My style rules
                 language:
                   $ref: '#/components/schemas/StyleRuleLanguage'
+                  x-default: de
                 configured_rules:
                   $ref: '#/components/schemas/ConfiguredRules'
                 custom_instructions:
@@ -2859,10 +2873,12 @@ paths:
                   type: string
                   description: Label for the custom instruction
                   maxLength: 100
+                  x-default: Currency custom instruction
                 prompt:
                   type: string
                   description: Instruction text
                   maxLength: 300
+                  x-default: "Have currency symbols before the numerical value (e.g. $100, €100)"
                 source_language:
                   type: string
                   description: Optional source language code