updates example env files

env_files/certs-example.env

-SSL_CRT_LOCATION=/home/vanhalleje/Dev/certs
-SSL_CRT_NAME=wp8test.test.crt
-SSL_KEY_LOCATION=/home/vanhalleje/Dev/certs
-SSL_KEY_NAME=wp8test.test.key
+SSL_CRT_LOCATION=<path>
+SSL_CRT_NAME<certificate filename>
+SSL_KEY_LOCATION=<path>
+SSL_KEY_NAME=<key filename>

env_files/manage-example.env

-MOUNT_USER=vanhalleje
-DOCKER_VOLUMES_PATH=/home/vanhalleje/.docker-data/volumes
+MOUNT_USER=<local user>
+DOCKER_VOLUMES_PATH=</var/lib/docker/volumes>

env_files/migrate-db-example.env

-REMOTE_WP_PATH=/var/www/prod.ecolo.be/www
-REMOTE_WP_URL=ecolo.be
+REMOTE_WP_PATH=</var/www/example.com>
+REMOTE_WP_URL=<example.com>

env_files/remote-example.env

-REMOTE_SSH_STRING=prod
-REMOTE_WP_PATH=/var/www/prod.ecolo.be/www
+REMOTE_SSH_STRING=<sshconfig hostname>
+REMOTE_WP_PATH=</var/www/example.com.be>