v0.6.121

Changelog

• 892af4d dont lint defer statement
• b5385fe wrap errors
• c428f17 wrap error
• ff9b794 add get instance type
• 9c1f60e Revert "Revert "rm savemoney""
• f07c81e write email and read email
• 728edb7 update postinstall to write email
• 5a1b5c6 correct dl url and todo
• 151fdd1 Revert "rm savemoney"