feat: marketing cta (#1335)

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- Change 1
- Change 2
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<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **New Features**
- Introduced a new `CallToAction` component to enhance user engagement
in the self-hosting documentation.
- Added interactive call-to-action elements in the self-hosting
documentation pages to guide users towards specific actions.

- **Documentation**
- Updated self-hosting documentation to include the new call-to-action
feature, improving usability and interactivity.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

apps/documentation/pages/developers/self-hosting/how-to.mdx

@@ -5,6 +5,8 @@ description: Learn how to self-host Documenso on your server or cloud infrastruc
 
 import { Callout, Steps } from 'nextra/components';
 
+import { CallToAction } from '@documenso/ui/components/call-to-action';
+
 # Self Hosting
 
 We support various deployment methods and are actively working on adding more. Please let us know if you have a specific deployment method in mind!
@@ -273,3 +275,5 @@ We offer several alternative deployment methods for Documenso if you need more o
 ## Koyeb
 
 [![Deploy to Koyeb](https://www.koyeb.com/static/images/deploy/button.svg)](https://app.koyeb.com/deploy?type=git&repository=github.com/documenso/documenso&branch=main&name=documenso-app&builder=dockerfile&dockerfile=/docker/Dockerfile)
+
+<CallToAction className="mt-12" utmSource="self-hosting" />

apps/documentation/pages/developers/self-hosting/index.mdx

@@ -3,6 +3,10 @@ title: Getting Started with Self-Hosting
 description: A step-by-step guide to setting up and hosting your own Documenso instance.
 ---
 
+import { CallToAction } from '@documenso/ui/components/call-to-action';
+
 # Getting Started with Self-Hosting
 
 This is a step-by-step guide to setting up and hosting your own Documenso instance. Before getting started, [select the right license for you](/users/licenses).
+
+<CallToAction className="mt-12" utmSource="self-hosting" />