[x/tour] pic: document package

Effective Go¹ says every package should have a package comment,
and every exported name in a package should have a doc comment.

This package is mentioned in the Go tour. Let's set a good example.

¹ https://golang.org/doc/effective_go.html#commentary

Change-Id: Iac561c7530fc49d5ff17c51d925151ec8319ef24
Reviewed-on: https://go-review.googlesource.com/c/tour/+/232865
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alexander Rakoczy <alex@golang.org>
X-Tour-Commit: 8ec2108c3ab568fa335edadc5cd9a2c5ab5361ec
1 file changed
tree: e205540bc07de1ecbc3e17342b917947f4be8f1a
  1. tour/
  2. AUTHORS
  3. CONTRIBUTING.md
  4. CONTRIBUTORS
  5. LICENSE
  6. PATENTS
  7. README.md
README.md

Go Website

This repository holds the Go Website server code and content.

Download/Install

The easiest way to install is to run go get -u golang.org/x/website. You can also manually git clone the repository to $GOPATH/src/golang.org/x/website.

Report Issues / Send Patches

This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.

The main issue tracker for the time repository is located at https://github.com/golang/go/issues. Prefix your issue with “x/website:” in the subject line, so it is easy to find.