🔨 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/errors.go

@@ -0,0 +1,10 @@
+package types
+
+import (
+	"errors"
+)
+
+var (
+	ErrInterrupt = errors.New("interrupted")
+	ErrTimeout   = errors.New("timeout")
+)