[add] initial commit

.gitignore

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+# See https://help.github.com/articles/ignoring-files for more about ignoring files.
+#
+# If you find yourself ignoring temporary files generated by your text editor
+# or operating system, you probably want to add a global ignore instead:
+#   git config --global core.excludesfile '~/.gitignore_global'
+
+# Ignore bundler config.
+/.bundle
+
+# Ignore the default SQLite database.
+/db/*.sqlite3
+/db/*.sqlite3-*
+
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
+# Ignore pidfiles, but keep the directory.
+/tmp/pids/*
+!/tmp/pids/
+!/tmp/pids/.keep
+
+# Ignore uploaded files in development.
+/storage/*
+!/storage/.keep
+.byebug_history
+
+# Ignore master key for decrypting credentials and more.
+/config/master.key
+
+## custom
+*.sqlite3
+.volumes
+
+# rails bundle install location
+/.vendor
+/vendor
+
+# Created by https://www.toptal.com/developers/gitignore/api/rails
+### Rails ###
+*.rbc
+capybara-*.html
+.rspec
+/db/*.sqlite3
+/db/*.sqlite3-journal
+/db/*.sqlite3-[0-9]*
+/public/system
+/coverage/
+/spec/tmp
+*.orig
+rerun.txt
+pickle-email-*.html
+
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
+# TODO Comment out this rule if you are OK with secrets being uploaded to the repo
+config/initializers/secret_token.rb
+config/master.key
+
+# Only include if you have production secrets in this file, which is no longer a Rails default
+# config/secrets.yml
+
+# dotenv, dotenv-rails
+# TODO Comment out these rules if environment variables can be committed
+.env
+.env.*
+
+## Environment normalization:
+/.bundle
+/vendor/bundle
+
+# these should all be checked in to normalize the environment:
+# Gemfile.lock, .ruby-version, .ruby-gemset
+
+# unless supporting rvm < 1.11.0 or doing something fancy, ignore this:
+.rvmrc
+
+# if using bower-rails ignore default bower_components path bower.json files
+/vendor/assets/bower_components
+*.bowerrc
+bower.json
+
+# Ignore pow environment settings
+.powenv
+
+# Ignore Byebug command history file.
+.byebug_history
+
+# Ignore node_modules
+node_modules/
+
+# Ignore precompiled javascript packs
+/public/packs
+/public/packs-test
+/public/assets
+
+# Ignore yarn files
+/yarn-error.log
+yarn-debug.log*
+.yarn-integrity
+
+# Ignore uploaded files in development
+/storage/*
+!/storage/.keep