Squashed commit of the following:

commit 5b11756af6
Author: netscrawler <mariarthyjamesoo@gmail.com>
Date:   Thu Jul 4 00:44:15 2024 +0300

    v0.1

commit c99f477e35
Author: netscrawler <mariarthyjamesoo@gmail.com>
Date:   Sun Jun 30 20:44:53 2024 +0300

    v0.0.6

internal/services/converter/converter.go

@@ -0,0 +1,48 @@
+package converter
+
+import (
+	"context"
+	"converter/internal/lib/logger/sl"
+	"converter/internal/lib/rateExtract"
+	"fmt"
+	"log/slog"
+)
+
+type Converter struct {
+	log *slog.Logger
+}
+
+// New returns a new instance of the Converter service.
+func New(
+	log *slog.Logger,
+
+) *Converter {
+	return &Converter{
+		log: log,
+	}
+}
+
+func (c *Converter) Convert(
+	ctx context.Context,
+	amount uint32,
+	currency string,
+) (uint32, float32, error) {
+	const op = "converter.convert"
+	log := c.log.With(
+		slog.String("op", op),
+		slog.String("currency", currency),
+		slog.Any("amount", amount),
+	)
+	log.Info("convertation")
+	var convertedAmount uint32
+	//TODO extract rate
+	rate, err := rateExtract.GetExchangeRate(currency)
+	if err != nil {
+		log.Error("Error extracting rate", sl.Err(err))
+		return 0, 0, fmt.Errorf("%s: %w", op, err)
+	}
+
+	convertedAmount = uint32(float32(amount) * rate.Rate)
+
+	return convertedAmount, rate.Rate, nil
+}