Move Full stop to be outside of hyperlink

Summary

As part of #389920, this issue is designed for showing and helping people complete their first community contribution. The text to fix for this issue is:

"%{project_path} is a project that you can use to add a README to your GitLab profile. Create a public project and initialize the repository with a README to get started. %{help_link_start}Learn more.%{help_link_end}"

The fix needed is to move the full stop to be outside the hyperlink

Steps to reproduce

Example Project

What is the current bug behavior?

What is the expected correct behavior?

Relevant logs and/or screenshots

Output of checks

Results of GitLab environment info

Expand for output related to GitLab environment info

(For installations with omnibus-gitlab package run and paste the output of:
`sudo gitlab-rake gitlab:env:info`)

(For installations from source run and paste the output of:
`sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production`)

Results of GitLab application Check

Expand for output related to the GitLab application check

(For installations with omnibus-gitlab package run and paste the output of:
sudo gitlab-rake gitlab:check SANITIZE=true)
(For installations from source run and paste the output of:
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production SANITIZE=true)
(we will only investigate if the tests are passing)

Possible fixes