docs: replace template urls (#6748)

CONTRIBUTING.md

@@ -181,7 +181,7 @@ The most important thing is to make sure that Netlify CMS is loaded from the `di
 
 When debugging the CMS with Git Gateway you must:
 
-1. Have a Netlify site with [Git Gateway](https://docs.netlify.com/visitor-access/git-gateway/) and [Netlify Identity](https://docs.netlify.com/visitor-access/identity/) enabled. An easy way to create such a site is to use a [template](https://www.netlifycms.org/docs/start-with-a-template/), for example the [Gatsby template](https://app.netlify.com/start/deploy?repository=https://github.com/AustinGreen/gatsby-starter-netlify-cms&stack=cms)
+1. Have a Netlify site with [Git Gateway](https://docs.netlify.com/visitor-access/git-gateway/) and [Netlify Identity](https://docs.netlify.com/visitor-access/identity/) enabled. An easy way to create such a site is to use a [template](https://www.netlifycms.org/docs/start-with-a-template/), for example the [Gatsby template](https://app.netlify.com/start/deploy?repository=https://github.com/decaporg/gatsby-starter-decap-cms&stack=cms)
 2. Tell the CMS the URL of your Netlify site using a local storage item. To do so:
 
     1. Open `http://localhost:8080/` in the browser

packages/netlify-cms-backend-git-gateway/README.md

@@ -16,7 +16,7 @@ Look at tests or types for more info.
 
 When debugging the CMS with Git Gateway you must:
 
-1. Have a Netlify site with [Git Gateway](https://docs.netlify.com/visitor-access/git-gateway/) and [Netlify Identity](https://docs.netlify.com/visitor-access/identity/) enabled. An easy way to create such a site is to use a [template](https://www.netlifycms.org/docs/start-with-a-template/), for example the [Gatsby template](https://app.netlify.com/start/deploy?repository=https://github.com/AustinGreen/gatsby-starter-netlify-cms&stack=cms)
+1. Have a Netlify site with [Git Gateway](https://docs.netlify.com/visitor-access/git-gateway/) and [Netlify Identity](https://docs.netlify.com/visitor-access/identity/) enabled. An easy way to create such a site is to use a [template](https://www.netlifycms.org/docs/start-with-a-template/), for example the [Gatsby template](https://app.netlify.com/start/deploy?repository=https://github.com/decaporg/gatsby-starter-decap-cms&stack=cms)
 2. Tell the CMS the URL of your Netlify site using a local storage item. To do so:
 
     1. Open `http://localhost:8080/` in the browser

website/content/docs/start-with-a-template.md

@@ -11,14 +11,14 @@ You can add Decap CMS [to an existing site](/docs/add-to-your-site/), but the qu
           <img style="display: flex" src="/img/hugo.svg"/>
         </div>
         <h4>Hugo Site Starter</h4>
-        <p><a href="https://app.netlify.com/start/deploy?repository=https://github.com/netlify-templates/one-click-hugo-cms&amp;stack=cms"><img src="https://www.netlify.com/img/deploy/button.svg" alt="Deploy to Netlify" /></a></p>
+        <p><a href="https://app.netlify.com/start/deploy?repository=https://github.com/decaporg/one-click-hugo-cms&amp;stack=cms"><img src="https://www.netlify.com/img/deploy/button.svg" alt="Deploy to Netlify" /></a></p>
     </div>
     <div style="flex-basis: 33%">
         <div style="padding: 0 30%; height: 100px; display: flex; justify-content: center;">
           <img style="display: flex" src="/img/gatsby.svg"/>
         </div>
         <h4>Gatsby Site Starter</h4>
-        <p><a href="https://app.netlify.com/start/deploy?repository=https://github.com/AustinGreen/gatsby-starter-netlify-cms&amp;stack=cms"><img src="https://www.netlify.com/img/deploy/button.svg" alt="Deploy to Netlify" /></a></p>
+        <p><a href="https://app.netlify.com/start/deploy?repository=https://github.com/decaporg/gatsby-starter-decap-cms&amp;stack=cms"><img src="https://www.netlify.com/img/deploy/button.svg" alt="Deploy to Netlify" /></a></p>
     </div>
     <div style="flex-basis: 33%">
         <div style="padding: 0 30%; height: 100px; display: flex; justify-content: center;">