🔨 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

types/request_url.go

@@ -0,0 +1,44 @@
+package types
+
+import (
+	"encoding/json"
+	"errors"
+	"net/url"
+)
+
+type RequestURL struct {
+	url.URL
+}
+
+func (requestURL *RequestURL) UnmarshalJSON(data []byte) error {
+	var urlStr string
+	if err := json.Unmarshal(data, &urlStr); err != nil {
+		return err
+	}
+
+	parsedURL, err := url.Parse(urlStr)
+	if err != nil {
+		return errors.New("Request URL is invalid")
+	}
+
+	requestURL.URL = *parsedURL
+	return nil
+}
+
+func (requestURL RequestURL) MarshalJSON() ([]byte, error) {
+	return json.Marshal(requestURL.URL.String())
+}
+
+func (requestURL RequestURL) String() string {
+	return requestURL.URL.String()
+}
+
+func (requestURL *RequestURL) Set(value string) error {
+	parsedURL, err := url.Parse(value)
+	if err != nil {
+		return err
+	}
+
+	requestURL.URL = *parsedURL
+	return nil
+}