feat(tmux): add configuration and improve the readme (#4)

* chore(nvim): remove useless files

Signed-off-by: mateonunez <mateonunez95@gmail.com>

* feat(tmux): add config files

Signed-off-by: mateonunez <mateonunez95@gmail.com>

* feat(license): add MIT

Signed-off-by: mateonunez <mateonunez95@gmail.com>

* chore(zshrc): remove useless command

Signed-off-by: mateonunez <mateonunez95@gmail.com>

* docs: add configurations readme

Signed-off-by: mateonunez <mateonunez95@gmail.com>

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Signed-off-by: mateonunez <mateonunez95@gmail.com>