hopefully doesn't break anything
Mostly issues with snmp oids and options containing spaces. Try to remove all of those.
DO NOT DELETE THIS TEXT
#### Please note
> Please read this information carefully. You can run `./scripts/pre-commit.php` to check your code before submitting.
- [x] Have you followed our [code guidelines?](http://docs.librenms.org/Developing/Code-Guidelines/)
#### Testers
If you would like to test this pull request then please run: `./scripts/github-apply <pr_id>`, i.e `./scripts/github-apply 5926`
After you are done testing, you can remove the changes with `./scripts/github-remove`. If there are schema changes, you can ask on discord how to revert.
* feature: Allow customisation of rrd step/heartbeat when creating new rrd files
* revert defaults
* added docs + webui config option
* Move RrdDefinition to an Object to make them easier to create and remove the possibility of typos.
* Fix style/lint issues and missing use statements
* 3 more missing use statements
* updated doc + moved schema file
Tony Murray
Neil Lathwood
Søren Rosiak
Job Snijders
Tom Laermans
Adam Amstrong