feat: revise API, add README.md, LICENSE (#2)

Co-authored-by: Dmitry Fedotov <dmitry@uint32.ru>
Co-committed-by: Dmitry Fedotov <dmitry@uint32.ru>

input_stdin.go

@@ -2,7 +2,6 @@ package script
 
 import (
 	"bufio"
-	"context"
 	"io"
 	"os"
 	"strings"
@@ -23,7 +22,7 @@ func NewStdinReader() *StdinReader {
 // then splits result at "," separator and returns
 // the resulting slice.
 // It returns EOF when nothing left to read.
-func (s *StdinReader) Read(_ context.Context) ([]string, error) {
+func (s *StdinReader) Read() ([]string, error) {
 	if !s.scanner.Scan() {
 		err := s.scanner.Err()
 		if err == nil {