🔨 Restructure entire project logic

- Moved readers to the config package
- Added an option to read remote config files
- Moved the validation package to the config package and removed the validator dependency
- Moved the customerrors package to the config package
- Replaced fatih/color with jedib0t/go-pretty/v6/text
- Removed proxy check functionality
- Added param, header, cookie, body, and proxy flags to the CLI
- Allowed multiple values for the same key in params, headers, and cookies

config/file.go

@@ -0,0 +1,60 @@
+package config
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/aykhans/dodo/types"
+)
+
+func (config *Config) ReadFile(filePath types.ConfigFile) error {
+	var (
+		data []byte
+		err  error
+	)
+
+	if filePath.LocationType() == types.FileLocationTypeRemoteHTTP {
+		client := &http.Client{
+			Timeout: 10 * time.Second,
+		}
+
+		resp, err := client.Get(filePath.String())
+		if err != nil {
+			return fmt.Errorf("failed to fetch config file from %s", filePath)
+		}
+		defer resp.Body.Close()
+
+		data, err = io.ReadAll(io.Reader(resp.Body))
+		if err != nil {
+			return fmt.Errorf("failed to read config file from %s", filePath)
+		}
+	} else {
+		data, err = os.ReadFile(filePath.String())
+		if err != nil {
+			return errors.New("failed to read config file from " + filePath.String())
+		}
+	}
+
+	return parseJSONConfig(data, config)
+}
+
+func parseJSONConfig(data []byte, config *Config) error {
+	err := json.Unmarshal(data, &config)
+	if err != nil {
+		switch parsedErr := err.(type) {
+		case *json.SyntaxError:
+			return fmt.Errorf("JSON Config file: invalid syntax at byte offset %d", parsedErr.Offset)
+		case *json.UnmarshalTypeError:
+			return fmt.Errorf("JSON Config file: invalid type %v for field %s, expected %v", parsedErr.Value, parsedErr.Field, parsedErr.Type)
+		default:
+			return fmt.Errorf("JSON Config file: %s", err.Error())
+		}
+	}
+
+	return nil
+}