* [linter] Remove unused exclusions
Linter `nosnakecase` was removed in 1e1138d0268a9896a1bd058e9b65b808eb20666e.
* [linter] Add tool for code clone detection
* [linter] Add `errorlint`
Find code that will cause problems with the error wrapping scheme
introduced in Go 1.13.
* [linter] Add `exhaustive`
Check exhaustiveness of enum switch statements.
* [linter] Add `forcetypeassert`
Finds type assertions which did forcely such as below:
```
func f() {
var a interface{}
_ = a.(int) // type assertion must be checked
}
```
* [linter] Add `gocritic`
Provides diagnostics that check for bugs, performance and style issues.
Signed-off-by: Julian Strobl <jmastr@mailbox.org>
This is the quasi-standard and fixes the error below:
```
$ go get -u github.com/planetmint/planetmint-go@v0.1.0
go: github.com/planetmint/planetmint-go@v0.1.0: parsing go.mod:
module declares its path as: planetmint-go
but was required as: github.com/planetmint/planetmint-go
```
Signed-off-by: Julian Strobl <jmastr@mailbox.org>
