Rename project from any-llm to laravel-llm

- Remove old any-llm related files (Dockerfile, config.yml, web/, setup-laravel.sh)
- Update README.md with new Laravel LLM Gateway documentation
- Keep docker-compose.yml with laravel-llm container names
- Clean project structure for Laravel-only implementation

laravel-app/app/Models/User.php

@@ -45,4 +45,36 @@ class User extends Authenticatable
             'password' => 'hashed',
         ];
     }
+
+    /**
+     * Get the user's budget
+     */
+    public function budget()
+    {
+        return $this->hasOne(UserBudget::class);
+    }
+
+    /**
+     * Get the user's rate limit
+     */
+    public function rateLimit()
+    {
+        return $this->hasOne(RateLimit::class);
+    }
+
+    /**
+     * Get the user's provider credentials
+     */
+    public function providerCredentials()
+    {
+        return $this->hasMany(UserProviderCredential::class);
+    }
+
+    /**
+     * Get the user's LLM requests
+     */
+    public function llmRequests()
+    {
+        return $this->hasMany(LlmRequest::class);
+    }
 }