Support Go 1.18 with generics

[serkodev]

Is there any plan on supporting Go 1.18 ?

[x1unix]

@serkodev not sooner as 1.18 gets released.

[x1unix]

@serkodev at #113 I added support for GoTip Playground server which supports generics.

Currently editor don't support syntax highlight and syntax check for generics, but code should run fine.

You can switch to a GoTip server in settings:

[serkodev]

@x1unix Nice work, good to hear that.