docs added

doc.go

@@ -0,0 +1,35 @@
+// Tool for Golang to sort goimports by 3 groups: std, general and project dependencies.
+// It will help you to keep your code cleaner.
+//
+// Example:
+//	goimports-reviser -project-name github.com/incu6us/goimports-reviser -file-path ./reviser/reviser.go -rm-unused
+//
+// Input:
+// 	import (
+//		"log"
+//
+//		"github.com/incu6us/goimports-reviser/testdata/innderpkg"
+//
+//		"bytes"
+//
+//		"github.com/pkg/errors"
+// 	)
+//
+// Output:
+//
+//	 import (
+//		"bytes"
+//		"log"
+//
+//		"github.com/pkg/errors"
+//
+//		"github.com/incu6us/goimports-reviser/testdata/innderpkg"
+//	 )
+//
+// If you need to set package names explicitly(in import declaration), you can use additional option `-set-alias`.
+//
+// More:
+//
+// 	goimports-reviser -h
+//
+package main