Use Cloudflare in documentation

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

changelogs/unreleased/231329-use-cloudflare-docs.yml

+---
+title: Capitalize CloudFlare in documentation
+merge_request: 37704
+author: Takuya Noguchi
+type: other

doc/administration/static_objects_external_storage.md

@@ -52,10 +52,10 @@ sequenceDiagram
 
 ## Set up external storage
 
-While this procedure uses [CloudFlare Workers](https://workers.cloudflare.com) for external storage,
+While this procedure uses [Cloudflare Workers](https://workers.cloudflare.com) for external storage,
 other CDNs or Function as a Service (FaaS) systems should work using the same principles.
 
-1. Choose a CloudFlare Worker domain if you haven't done so already.
+1. Choose a Cloudflare Worker domain if you haven't done so already.
 1. In the following script, set the following values for the first two constants:
 
    - `ORIGIN_HOSTNAME`: the hostname of your GitLab installation.

doc/user/project/pages/custom_domains_ssl_tls_certification/dns_concepts.md

@@ -32,7 +32,7 @@ for the most popular hosting services:
 
 - [Amazon](https://docs.aws.amazon.com/AmazonS3/latest/dev/website-hosting-custom-domain-walkthrough.html)
 - [Bluehost](https://www.bluehost.com/help/article/dns-management-add-edit-or-delete-dns-entries)
-- [CloudFlare](https://support.cloudflare.com/hc/en-us/articles/201720164-Creating-a-Cloudflare-account-and-adding-a-website)
+- [Cloudflare](https://support.cloudflare.com/hc/en-us/articles/201720164-Creating-a-Cloudflare-account-and-adding-a-website)
 - [cPanel](https://documentation.cpanel.net/display/84Docs/Edit+DNS+Zone)
 - [DreamHost](https://help.dreamhost.com/hc/en-us/articles/215414867-How-do-I-add-custom-DNS-records-)
 - [Go Daddy](https://www.godaddy.com/help/add-an-a-record-19238)

doc/user/project/pages/custom_domains_ssl_tls_certification/index.md

@@ -133,7 +133,7 @@ They require:
 | `www.example.com`                                 | CNAME      | `namespace.gitlab.io`  |
 | `_gitlab-pages-verification-code.www.example.com` | TXT        | `gitlab-pages-verification-code=00112233445566778899aabbccddeeff` |
 
-If you're using CloudFlare, check
+If you're using Cloudflare, check
 [Redirecting `www.domain.com` to `domain.com` with Cloudflare](#redirecting-wwwdomaincom-to-domaincom-with-cloudflare).
 
 > **Notes**:
@@ -245,7 +245,7 @@ To secure your custom domain with GitLab Pages you can opt by:
   the part of the encryption keychain that identifies the CA.
   Usually it's combined with the PEM certificate, but there are
   some cases in which you need to add them manually.
-  [CloudFlare certs](https://about.gitlab.com/blog/2017/02/07/setting-up-gitlab-pages-with-cloudflare-certificates/)
+  [Cloudflare certs](https://about.gitlab.com/blog/2017/02/07/setting-up-gitlab-pages-with-cloudflare-certificates/)
   are one of these cases.
 - **A private key**, it's an encrypted key which validates
   your PEM against your domain.
@@ -288,7 +288,7 @@ To enable this setting:
 1. Tick the checkbox **Force HTTPS (requires valid certificates)**.
 
 NOTE: **Note:**
-If you use CloudFlare CDN in front of GitLab Pages, make sure to set the SSL connection setting to `full` instead of `flexible`. For more details, see the [CloudFlare CDN directions](https://support.cloudflare.com/hc/en-us/articles/200170416-End-to-end-HTTPS-with-Cloudflare-Part-3-SSL-options#h_4e0d1a7c-eb71-4204-9e22-9d3ef9ef7fef).
+If you use Cloudflare CDN in front of GitLab Pages, make sure to set the SSL connection setting to `full` instead of `flexible`. For more details, see the [Cloudflare CDN directions](https://support.cloudflare.com/hc/en-us/articles/200170416-End-to-end-HTTPS-with-Cloudflare-Part-3-SSL-options#h_4e0d1a7c-eb71-4204-9e22-9d3ef9ef7fef).
 
 <!-- ## Troubleshooting
 

doc/user/project/pages/custom_domains_ssl_tls_certification/ssl_tls_concepts.md

@@ -72,7 +72,7 @@ to everyone. The most popular is [Let's Encrypt](https://letsencrypt.org/),
 which issues certificates trusted by most of browsers, it's open
 source, and free to use. See [GitLab Pages integration with Let's Encrypt](../custom_domains_ssl_tls_certification/lets_encrypt_integration.md) to enable HTTPS on your custom domain.
 
-Similarly popular are [certificates issued by CloudFlare](https://www.cloudflare.com/ssl/),
+Similarly popular are [certificates issued by Cloudflare](https://www.cloudflare.com/ssl/),
 which also offers a [free CDN service](https://blog.cloudflare.com/cloudflares-free-cdn-and-you/).
 Their certs are valid up to 15 years. See the tutorial on
-[how to add a CloudFlare Certificate to your GitLab Pages website](https://about.gitlab.com/blog/2017/02/07/setting-up-gitlab-pages-with-cloudflare-certificates/).
+[how to add a Cloudflare Certificate to your GitLab Pages website](https://about.gitlab.com/blog/2017/02/07/setting-up-gitlab-pages-with-cloudflare-certificates/).

doc/user/project/pages/index.md

@@ -59,7 +59,7 @@ To update a GitLab Pages website:
 | [Explore GitLab Pages](introduction.md) | Requirements, technical aspects, specific GitLab CI/CD configuration options, Access Control, custom 404 pages, limitations, FAQ. |
 | [Custom domains and SSL/TLS Certificates](custom_domains_ssl_tls_certification/index.md) | Custom domains and subdomains, DNS records, and SSL/TLS certificates. |
 | [Let's Encrypt integration](custom_domains_ssl_tls_certification/lets_encrypt_integration.md) | Secure your Pages sites with Let's Encrypt certificates, which are automatically obtained and renewed by GitLab. |
-| [CloudFlare certificates](https://about.gitlab.com/blog/2017/02/07/setting-up-gitlab-pages-with-cloudflare-certificates/) | Secure your Pages site with CloudFlare certificates. |
+| [Cloudflare certificates](https://about.gitlab.com/blog/2017/02/07/setting-up-gitlab-pages-with-cloudflare-certificates/) | Secure your Pages site with Cloudflare certificates. |
 
 Learn more and see examples: