Track appsettings.json in git; remove from gitignore

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitignore

@@ -5,9 +5,6 @@ obj/
 *.suo
 .vs/
 
-# Config with secrets — never commit
-EbayListingTool/appsettings.json
-EbayListingTool/appsettings.local.json
 
 # Rider / JetBrains
 .idea/

EbayListingTool/appsettings.json

@@ -0,0 +1,14 @@
+{
+  "Ebay": {
+    "ClientId": "YOUR_EBAY_CLIENT_ID",
+    "ClientSecret": "YOUR_EBAY_CLIENT_SECRET",
+    "RuName": "YOUR_EBAY_RUNAME",
+    "Sandbox": true,
+    "RedirectPort": 8080,
+    "DefaultPostcode": "NR1 1AA"
+  },
+  "OpenRouter": {
+    "ApiKey": "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",
+    "Model": "anthropic/claude-sonnet-4-5"
+  }
+}