feat: add Korean (ko) language support

- Add Korean translation file (messages.ko.xlf)
- Add Korean locale configuration in project.json
  - Add development-ko build configuration
  - Add development-ko serve configuration
- Add 'ko' to SUPPORTED_LANGUAGE_CODES in config.ts
- Add Korean language to product page languages list
- Also add missing development-ca serve configuration for Catalan

apps/client/project.json

@@ -14,6 +14,10 @@
         "baseHref": "/de/",
         "translation": "apps/client/src/locales/messages.de.xlf"
       },
+      "ko": {
+        "baseHref": "/ko/",
+        "translation": "apps/client/src/locales/messages.ko.xlf"
+      },
       "es": {
         "baseHref": "/es/",
         "translation": "apps/client/src/locales/messages.es.xlf"
@@ -110,6 +114,10 @@
           "baseHref": "/it/",
           "localize": ["it"]
         },
+        "development-ko": {
+          "baseHref": "/ko/",
+          "localize": ["ko"]
+        },
         "development-nl": {
           "baseHref": "/nl/",
           "localize": ["nl"]
@@ -213,6 +221,9 @@
         "sslKey": "apps/client/localhost.pem"
       },
       "configurations": {
+        "development-ca": {
+          "buildTarget": "client:build:development-ca"
+        },
         "development-de": {
           "buildTarget": "client:build:development-de"
         },
@@ -228,6 +239,9 @@
         "development-it": {
           "buildTarget": "client:build:development-it"
         },
+        "development-ko": {
+          "buildTarget": "client:build:development-ko"
+        },
         "development-nl": {
           "buildTarget": "client:build:development-nl"
         },
@@ -269,7 +283,8 @@
           "messages.pt.xlf",
           "messages.tr.xlf",
           "messages.uk.xlf",
-          "messages.zh.xlf"
+          "messages.zh.xlf",
+          "messages.ko.xlf"
         ],
         "trim": true
       }

apps/client/src/app/pages/resources/personal-finance-tools/product-page.component.ts

@@ -44,6 +44,7 @@ export class GfProductPageComponent implements OnInit {
       key: 'ghostfolio',
       languages: [
         'Deutsch',
+        '한국어',
         'English',
         'Español',
         'Français',

libs/common/src/lib/config.ts

@@ -193,6 +193,7 @@ export const SUPPORTED_LANGUAGE_CODES = [
   'es',
   'fr',
   'it',
+  'ko',
   'nl',
   'pl',
   'pt',