chore: add config.json template with empty values

.gitignore

@@ -76,17 +76,8 @@ Telegram.LSP.json
 spm-files
 .bsp/**
 
-# ===========================================
-# SECURITY: Sensitive files (DO NOT REMOVE!)
-# ===========================================
-
-# API credentials and configuration
-build-system/config.json
-
-# Provisioning profiles (contain Apple Developer account info)
 *.mobileprovision
 build-system/fake-codesigning/profiles/*
 
-# Backup sensitive files
 *.backup
 *_BACKUP*

build-system/config.json

@@ -0,0 +1,14 @@
+{
+	"bundle_id": "",
+	"api_id": "",
+	"api_hash": "",
+	"team_id": "",
+	"app_center_id": "0",
+	"is_internal_build": "false",
+	"is_appstore_build": "true",
+	"appstore_id": "0",
+	"app_specific_url_scheme": "ghostgram",
+	"premium_iap_product_id": "",
+	"enable_siri": false,
+	"enable_icloud": false
+}