Add configuration and v1 server implementation; create handler methods for command execution and listing

logs/go.mod

@@ -0,0 +1,3 @@
+module github.com/akyaiy/GoSally-mvp/logs
+
+go 1.24.4

logs/logger.go

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+package logs
+
+import (
+	"log/slog"
+	"os"
+)
+
+const (
+	envDev  = "dev"
+	envProd = "prod"
+)
+
+func SetupLogger(env string) *slog.Logger {
+	var log *slog.Logger
+	switch env {
+	case envDev:
+		log = slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelDebug}))
+	case envProd:
+		log = slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelInfo}))
+	default:
+		log = slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelDebug}))
+	}
+
+	return log
+}