Make Github Action checks pass after Jumpstart initialization

Standardrb Check
shell: /bin/bash -e {0} 

Run bundle exec standardrb 
bundle exec standardrb 
shell: /bin/bash -e {0} 
standard: Use Ruby Standard Style (https://github.com/testdouble/standard) 
standard: Run `standardrb --fix` to automatically fix some problems. 
 config/jumpstart/Gemfile:1:5: Style/StringLiterals: Prefer double-quoted strings unless you need single quotes to avoid extra backslashes for escaping. 
 config/jumpstart/Gemfile:1:14: Layout/TrailingEmptyLines: Final newline missing. 


Notice: Disagree with these rules? While StandardRB is pre-1.0.0, feel free to submit suggestions to: 
 https://github.com/testdouble/standard/issues/new 
##[error]Process completed with exit code 1.