Document gradle usage in README

[t-izbassar]

I believe we should document how to use framework within gradle as well with maven. Gradle now gaining more and more popularity and it is used in many new projects. So with documented gradle usage we can attract more people by simplifying the configs to them.

[0crat]

@yegor256/z please, pay attention to this issue

[0crat]

Job #790 is now in scope, role is DEV

[0crat]

Bug was reported, see §29: +15 points just awarded to @t-izbassar/z, total is +120

[0crat]

The job #790 assigned to @paulodamaso/z, here is why; the budget is 30 minutes, see §4; please, read §8 and §9; if the task is not clear, read this and this; there will be a monetary reward for this job

[paulodamaso]

@0crat refuse

[0crat]

@0crat refuse (here)

@paulodamaso The user @paulodamaso/z resigned from #790, please stop working. Reason for job resignation: Order was cancelled

[0crat]

Tasks refusal is discouraged, see §6: -15 point(s) just awarded to @paulodamaso/z

[0crat]

The job #790 assigned to @paulodamaso/z, here is why; the budget is 30 minutes, see §4; please, read §8 and §9; if the task is not clear, read this and this; there will be a monetary reward for this job

[0crat]

@paulodamaso/z this job was assigned to you 5days ago. It will be taken away from you soon, unless you close it, see §8. Read this and this, please.