Add v2 sandbox implementation with new API routes and sandbox library

packages/create-open-lovable/templates/e2b/.env.example

@@ -0,0 +1,25 @@
+# Open Lovable Configuration - E2B Provider
+
+# Sandbox Provider
+SANDBOX_PROVIDER=e2b
+
+# REQUIRED - Sandboxes for code execution
+# Get yours at https://e2b.dev
+E2B_API_KEY=your_e2b_api_key_here
+
+# REQUIRED - Web scraping for cloning websites
+# Get yours at https://firecrawl.dev
+FIRECRAWL_API_KEY=your_firecrawl_api_key_here
+
+# OPTIONAL - AI Providers (need at least one)
+# Get yours at https://console.anthropic.com
+ANTHROPIC_API_KEY=your_anthropic_api_key_here
+
+# Get yours at https://platform.openai.com
+OPENAI_API_KEY=your_openai_api_key_here
+
+# Get yours at https://aistudio.google.com/app/apikey
+GEMINI_API_KEY=your_gemini_api_key_here
+
+# Get yours at https://console.groq.com
+GROQ_API_KEY=your_groq_api_key_here