Revert "detele everything"

This reverts commit d02c5d1e30.

docs/spec/scripts/crypto.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	amino "github.com/tendermint/go-amino"
+	crypto "github.com/tendermint/tendermint/crypto"
+)
+
+func main() {
+	cdc := amino.NewCodec()
+	crypto.RegisterAmino(cdc)
+	cdc.PrintTypes(os.Stdout)
+	fmt.Println("")
+}