* Add soft actor critic * Delete unnecessary examples
* Add random initial actions in ddpg * Add reacher-v2 example of ddpg
* Add per and modify etc * Replace pre-commit-config.yaml and add pre-commit hook in .git * Modify .gitignore * Modify .gitignore * Modify buffer and code * Modify replay buffer and per * Modify .gitignore
* Add overall CI settings * Add specific build dir to travis * Add before install/script condition to travis * Add ddpg baseline * Add wandb, remove algorithms except ddpg * Remove init file in script * Separate config file for ddpg * Remove unnecessary examples * Remove unnecessary args opt * Add pre-commit setting * Change pre-commit settings * Change travis-ci setting * Fix travis-ci issue * Modify argparse arguments, fix requirements * Change arguments order