Add Render, Fly.io integrations and reduce integrations page reloads

docs/integrations/cloud/render.mdx

@@ -2,4 +2,34 @@
 title: "Render"
 ---
 
-Coming soon.
+Prerequisites:
+
+- Set up and add envars to [Infisical Cloud](https://app.infisical.com)
+
+## Navigate to your project's integrations tab
+
+![integrations](../../images/integrations.png)
+
+## Enter your Render API Key
+
+Obtain a Render API Key in your Render Account Settings > API Keys.
+
+![integrations render dashboard](../../images/integrations-render-dashboard.png)
+![integrations render token](../../images/integrations-render-token.png)
+
+Press on the Render tile and input your Render API Key to grant Infisical access to your Render account.
+
+![integrations render authorization](../../images/integrations-render-auth.png)
+
+<Info>
+  If this is your project's first cloud integration, then you'll have to grant
+  Infisical access to your project's environment variables. Although this step
+  breaks E2EE, it's necessary for Infisical to sync the environment variables to
+  the cloud platform.
+</Info>
+
+## Start integration
+
+Select which Infisical environment secrets you want to sync to which Render service and press start integration to start syncing secrets to Render.
+
+![integrations heroku](../../images/integrations-render.png)