Devkit

Hello! How to create an entry for each user? But only those creators can see these records

Hello!
Help me please!
I enter "rails new myapp", the terminal stops at this:

"The dependency tzinfo-data (> = 0) will be unused by any of the platforms Bundler is installing for .bunler is installing for ruby ​​but the dependency is only for x86-mingw32, x86-mswin32, x64-mingw32, java. add those platforms to the bundle, run bundle lock -add-platform x86-mingw32 x86-mswin32 x64-mingw32 java.
"