エラー内容

ActionView::Template::Error (couldn't find file 'jquery' with type 'application/javascript'
Checked in these paths:
/Users/tomohiro/work/fight/app/assets/config
/Users/tomohiro/work/fight/app/assets/images
/Users/tomohiro/work/fight/app/assets/javascripts
/Users/tomohiro/work/fight/app/assets/stylesheets
/Users/tomohiro/work/fight/vendor/cache/gems/coffee-rails-4.2.2/lib/assets/javascripts
/Users/tomohiro/work/fight/vendor/cache/gems/actioncable-5.2.0/lib/assets/compiled
/Users/tomohiro/work/fight/vendor/cache/gems/activestorage-5.2.0/app/assets/javascripts
/Users/tomohiro/work/fight/vendor/cache/gems/actionview-5.2.0/lib/assets/compiled
/Users/tomohiro/work/fight/vendor/cache/gems/turbolinks-source-5.1.0/lib/assets/javascripts
/Users/tomohiro/work/fight/node_modules
/Users/tomohiro/work/fight/vendor/cache/gems/bootstrap-sass-3.3.7/assets/stylesheets
/Users/tomohiro/work/fight/vendor/cache/gems/bootstrap-sass-3.3.7/assets/javascripts
/Users/tomohiro/work/fight/vendor/cache/gems/bootstrap-sass-3.3.7/assets/fonts
/Users/tomohiro/work/fight/vendor/cache/gems/bootstrap-sass-3.3.7/assets/images):
5:     <%= csrf_meta_tags %>
6:     <%= csp_meta_tag %>
7:
8:     <%= stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track': 'reload' %>
9:     <%= javascript_include_tag 'application', 'data-turbolinks-track': 'reload' %>
10:   </head>
11:

解決策

Gemfileにgem 'jquery-rails'を追加し、bundle installを実行