feat: Implement initial Go backend and React frontend project structure for the gotail application.

.env.example

@@ -0,0 +1,23 @@
+# Server Configuration
+PORT=:8080
+READ_TIMEOUT=15s
+WRITE_TIMEOUT=15s
+SHUTDOWN_TIMEOUT=30s
+
+# Authentication
+USERNAME=admin
+PASSWORD=
+
+# Logging
+LOG_LEVEL=info
+LOG_FORMAT=console
+
+# Security
+RATE_LIMIT_ENABLED=true
+RATE_LIMIT_RPS=100
+CORS_ORIGINS=http://localhost:5173,http://localhost:8080
+
+# TLS (optional)
+TLS_ENABLED=false
+TLS_CERT_FILE=
+TLS_KEY_FILE=