Added Contentrain Git Based Headless CMS

Contentrain is a Git-based Headless CMS that was focused on developer and content editor experience which provide seamless integration with Jamstack web apps.

Author: ABB65

src/site/headless-cms/contentrain.md

@@ -0,0 +1,129 @@
+---
+title: Contentrain
+homepage: https://contentrain.io/
+twitter: @Contentrain_io
+opensource: "No"
+typeofcms: "Git-based"
+supportedgenerators:
+  - NuxtJs
+  - NextJs
+  - Gatsby
+  - 11ty
+  - Jekyll
+  - Gridsome
+  - Hugo
+  - React
+  - Vue
+  - Astro
+  - VitePress
+  - Angular
+  - Svelte
+  - Docusaurus
+description: Contentrain is a Git-based Headless CMS that was focused on developer and content editor experience which provide seamless integration with Jamstack web apps.
+---
+
+## Contentrain
+
+![Cover](https://imagedelivery.net/yx26LyQGM_miwnGU8RnEaw/51d9891c-61a7-440f-aee1-5d4bff601f00/public)
+
+Contentrain is a Git-based Headless CMS that was focused on developer and content editor experience which provide seamless integration with Jamstack web apps.
+
+A new and promising way for turning your static web apps into dynamic!
+
+We created Contentrain for agencies, startups, freelancers, or corporates to faster their development and content management time.
+
+Create once, use always! We care about your time! With our reusable content models you will never spend extra time for creating the same schemas over and over again. 🚀
+
+<br/>
+
+<br/>
+
+> ### TL-DR
+> - Git architecture provides advantages in terms of scaling, maintenance, and low > cost
+> - Provides flexible and relational data models with no-code interfaces for developers
+> - The perfect tool for dynamic content on your statically published sites
+
+
+<br/>
+
+
+
+## Get started with Contentrain 
+
+- After creating your free account from [here](https://app.contentrain.io/register).
+- Select your plan first.
+- Got to your **Project Page** and click the "**Start a new project**" button.
+- Set a name and description for your project.
+- Select your Git provider
+- Decide your setup way; you can select a manual setup or continue with a starter. 
+- You should allow Contentrain to access your Github repo for some permissions.
+- Configure your branch settings
+- Create users to manage your project with your teammates
+- Create your Collection schemas with our no-code collection tool.
+- And you are ready to manage your content.
+
+✨ For more details watch our tutorial [video](https://www.youtube.com/channel/UC0AFA1-3jRQSl4gVaOiILTw) or go to our [user guide](https://docs.contentrain.io).
+
+<br/>
+
+## Overview
+
+![Cover Image](https://imagedelivery.net/yx26LyQGM_miwnGU8RnEaw/a8fe10ee-5511-4820-bc9c-fed5f59a2b00/public)
+<br/>
+- Contentrain is a Git-based headless CMS that focuses on developer and content editor experience first.
+
+- All web projects need to have high Lighthouse scores, great SEO optimization performance, and quality content.
+
+- Contentrain offers all of these benefits to your web projects with the power of Static Sites and the power of Git. ⚡
+
+<br/>
+
+![We love helping bring your projects to life.](https://imagedelivery.net/yx26LyQGM_miwnGU8RnEaw/a0ff4231-3dd7-4821-efb8-efa027741100/public)
+*We love helping bring your projects to life.*
+
+<br/>
+
+- Contentrain is framework agnostic, meaning you can use all Jamstack SSG frameworks... such as Nuxt.js, Next.js, Gatsby, 11ty, Hugo, Gridsome, Jekyll, and more.
+
+- Contentrain provides flexible and relational data models with no-code interfaces for developers.
+
+<br/>
+
+![Our No-code Content Schema generator tree.](https://imagedelivery.net/yx26LyQGM_miwnGU8RnEaw/adfe683c-897e-4c41-8d1e-cfe1014c6200/public)
+*Our No-code Content Schema generator tree.*
+<br/>
+
+- Keep your Collection Schemas for yourself or share them with the community.
+
+- Contentrain has great productivity-enhancing features for developers like Shared Collections and Saved Collections.
+
+<br/>
+
+![A clean, easy-to-read dashboard overview.](https://imagedelivery.net/yx26LyQGM_miwnGU8RnEaw/49903ba6-ceab-4d28-6e18-118691140c00/public)
+*A clean, easy-to-read dashboard overview.*
+<br/>
+
+
+- Contentrain is one of the most developer-experienced products that developers can use with modern technologies.
+
+- It is also the easiest CMS for those who do not have coding knowledge to manage the content on their websites.
+
+- Content teams can manage content as if using a simple spreadsheet program (Excel, Google Sheets) with modern interfaces, providing maximum productivity in projects with user-role management and multi-language support.
+
+- With the historical content control provided by Contentrain's Git-based structure, data loss and security issues are no longer an issue for you.
+
+<br/>
+
+![Options abound when it comes to determining roles.](https://imagedelivery.net/yx26LyQGM_miwnGU8RnEaw/b8cb09d4-df09-4379-6427-439cce1aed00/public)
+*Options abound when it comes to determining roles.*
+<br/>
+
+
+- Distributing your websites via CDN is one of the smartest solutions for SEO, security, and speed.
+
+- Contentrain is the perfect tool for dynamic content on your statically published sites.
+
+
+Freelancers, startups, small businesses, and enterprise companies meet the practical and innovative way of producing and distributing content on modern web projects. 🤝
+
+Get lifetime access to Contentrain today!