* refactor: Partially break core package into dns, result and ssh packages
* refactor: Move core package to config/endpoint
* refactor: Fix warning about overlapping imported package name with endpoint variable
* refactor: Rename EndpointStatus to Status
* refactor: Merge result pkg back into endpoint pkg, because it makes more sense
* refactor: Rename parameter r to result in Condition.evaluate
* refactor: Rename parameter r to result
* refactor: Revert accidental change to endpoint.TypeDNS
* refactor: Rename parameter r to result
* refactor: Merge util package into endpoint package
* refactor: Rename parameter r to result
The io/ioutil package has been deprecated as of Go 1.16, see
https://golang.org/doc/go1.16#ioutil. This commit replaces the existing
io/ioutil functions with their new definitions in io and os packages.
Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>