* Node template love

Better description in node/Cargo.toml
Example dispatchables should have non-zero weights
Changes to README to bring in line with current DevHub Node Template

* Update README.md

cleaned up, reworked text, ready for round 2

* Add DbWeight

* Update README.md

* Consistent Playground buttons

* "setup" -> "set up"

Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* Import `Get` trait to fix build

Co-authored-by: Addie Wagenknecht <addie@nortd.com>
Co-authored-by: Ricardo Rius <ricardo@parity.io>
Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>