Fix indentation in docs.json contextual options

docs.json

@@ -1,13 +1,13 @@
 {
-  "$schema": "https://mintlify.com/docs.json",
+  "$schema": "https://mintlify.com/schema.json",
   "theme": "mint",
-  "name": "Mint Starter Kit",
+  "name": "QFPay Developer Centre",
   "colors": {
-    "primary": "#16A34A",
-    "light": "#07C983",
-    "dark": "#15803D"
+    "primary": "#005FCC",
+    "light": "#4EA8FF",
+    "dark": "#004299"
   },
-  "favicon": "/favicon.svg",
+  "favicon": "/images/logo.png",
   "navigation": {
     "global": {
       "anchors": [
@@ -35,14 +35,38 @@
             ]
           },
           {
-            "tab": "API Reference",
+            "tab": "Integration",
             "groups": [
               {
                 "group": "Preparation",
                 "pages": [
                   "integration/preparation/introduction",
                   "integration/preparation/environments"
                 ]
+              },
+              {
+                "group": "API Reference",
+                "pages": [
+                  "integration/api-reference/api-usage-guidelines",
+                  "integration/api-reference/currencies",
+                  "integration/api-reference/paytypes",
+                  "integration/api-reference/request-format",
+                  "integration/api-reference/response-format",
+                  "integration/api-reference/signature-generation",
+                  "integration/api-reference/status-codes"
+                ]
+              }
+            ]
+          },
+          {
+            "tab": "In-Store Payments",
+            "groups": [
+              {
+                "group": "POS API",
+                "pages": [
+                  "integration/in-store/pos-api/app-call-app",
+                  "integration/in-store/pos-api/ecr"
+                ]
               }
             ]
           }
@@ -69,20 +93,43 @@
               {
                 "group": "準備事項",
                 "pages": [
-                  "integration/preparation/zh-hant/file",
+                  "integration/preparation/zh-hant/introduction",
                   "integration/preparation/zh-hant/environments"
                 ]
+              },
+              {
+                "group": "API 參考文件",
+                "pages": [
+                  "integration/api-reference/zh-hant/request-format",
+                  "integration/api-reference/zh-hant/response-format",
+                  "integration/api-reference/zh-hant/signature-generation",
+                  "integration/api-reference/zh-hant/paytypes",
+                  "integration/api-reference/zh-hant/currencies",
+                  "integration/api-reference/zh-hant/status-codes",
+                  "integration/api-reference/zh-hant/api-usage-guidelines"
+                ]
+              },
+              {
+                "group": "實體店支付",
+                "pages": [
+                  {
+                    "group": "POS API",
+                    "pages": [
+                      "integration/in-store/zh-hant/pos-api/app-call-app",
+                      "integration/in-store/zh-hant/pos-api/ecr"
+                    ]
+                  },
+                  "integration/in-store/zh-hant/CPM",
+                  "integration/in-store/zh-hant/MPM"
+                ]
               }
             ]
           }
         ]
       }
     ]
   },
-  "logo": {
-    "light": "/logo/light.svg",
-    "dark": "/logo/dark.svg"
-  },
+  "logo": "/logo.png",
   "navbar": {
     "links": [
       {
@@ -101,21 +148,24 @@
   },
   "contextual": {
     "options": [
-     "copy",
-     "view",
-     "chatgpt",
-     "claude",
-     "perplexity",
-     "mcp",
-     "cursor",
-     "vscode"
-   ]
+      "copy",
+      "view",
+      "chatgpt",
+      "claude",
+      "perplexity",
+      "mcp",
+      "cursor",
+      "vscode"
+    ]
   },
   "footer": {
     "socials": {
       "x": "https://x.com/mintlify",
       "github": "https://github.com/mintlify",
       "linkedin": "https://linkedin.com/company/mintlify"
     }
+  },
+  "appearance": {
+    "default": "light"
   }
 }