refactor(config): separate base URL from API URL for CLI usage

Add signUrl property to config for CLI sign URL without /api/v1 suffix.
Update CLIGuidePage to use config.signUrl instead of hardcoded URL.
Update .env.example and add .swarm/ to .gitignore.

src/config.ts

@@ -1,12 +1,18 @@
 // Secuird Configuration
 // Environment-specific settings for the application
 
+// Base URL without /api/v1 suffix - used for CLI sign URL
+const BASE_URL = import.meta.env.VITE_API_BASE_URL || "http://192.168.64.7:8888";
+
 export const config = {
   // API Configuration
   api: {
-    baseUrl: import.meta.env.VITE_API_BASE_URL || "http://192.168.64.7:8888/api/v1",
+    baseUrl: `${BASE_URL}/api/v1`,
   },
 
+  // Sign URL for CLI (same as base URL, no /api/v1)
+  signUrl: BASE_URL,
+
   // App metadata
   app: {
     name: "Secuird",