Fix typos around .gitlab-ci.yml

Signed-off-by: Takuya Noguchi <takninnovationresearch@gmail.com>

app/assets/javascripts/serverless/components/functions.vue

@@ -81,7 +81,7 @@ export default {
           </p>
           <ul>
             <li>Your repository does not have a corresponding <code>serverless.yml</code> file.</li>
-            <li>Your <code>gitlab-ci.yml</code> file is not properly configured.</li>
+            <li>Your <code>.gitlab-ci.yml</code> file is not properly configured.</li>
             <li>
               The functions listed in the <code>serverless.yml</code> file don't match the namespace
               of your cluster.

doc/ci/examples/devops_and_game_dev_with_gitlab_ci_cd/index.md

@@ -254,7 +254,7 @@ To ensure our changes don't break the build and all tests still pass, we utilize
 Continuous Integration (CI) to run these checks automatically for every push.
 Read through this article to understand [Continuous Integration, Continuous Delivery, and Continuous Deployment](https://about.gitlab.com/2016/08/05/continuous-integration-delivery-and-deployment-with-gitlab/),
 and how these methods are leveraged by GitLab.
-From the [last tutorial](https://ryanhallcs.wordpress.com/2017/03/15/devops-and-game-dev/) we already have a `gitlab-ci.yml` file set up for building our app from
+From the [last tutorial](https://ryanhallcs.wordpress.com/2017/03/15/devops-and-game-dev/) we already have a `.gitlab-ci.yml` file set up for building our app from
 every push. We need to set up a new CI job for testing, which GitLab CI/CD will run after the build job using our generated artifacts from gulp.
 
 Please read through the [documentation on CI/CD configuration](../../../ci/yaml/README.md) file to explore its contents and adjust it to your needs.

doc/user/project/repository/index.md

@@ -29,7 +29,7 @@ You can either use the user interface (UI), or connect your local computer
 with GitLab [through the command line](../../../gitlab-basics/command-line-commands.md#start-working-on-your-project).
 
 To configure [GitLab CI/CD](../../../ci/README.md) to build, test, and deploy
-you code, add a file called [.`gitlab-ci.yml`](../../../ci/quick_start/README.md)
+you code, add a file called [`.gitlab-ci.yml`](../../../ci/quick_start/README.md)
 to your repository's root.
 
 **From the user interface:**