📝 add license info

Author: silencesys

README.md

@@ -38,3 +38,13 @@ COPY ./config/pool.d/your_pool.conf /usr/local/etc/php-fpm.d/costum.conf
 ```
 
 You have also ability to modify default php settings as is described [there](https://docs.docker.com/samples/library/php/).
+
+## License
+This image on it's own does not have any license, but take a look at licences of other software that is included. 
+
+- [PHP license](https://php.net/license/)
+- [OCI license](https://www.oracle.com/technetwork/topics/linuxsoft-082809.html)
+
+As with all Docker images, these likely also contain other software which may be under other licenses (such as Bash, etc from the base distribution, along with any direct or indirect dependencies of the primary software being contained).
+
+As for any pre-built image usage, it is the image user's responsibility to ensure that any use of this image complies with any relevant licenses for all software contained within.