add railway docs

Author: chad-syntax

pages/installation/_meta.js

@@ -3,5 +3,7 @@ export default {
   "docker": "Docker (standalone)",
   "kubernetes-helm": "Kubernetes with Helm",
   "development": "Development Environment",
-  "devcontainer": "Devcontainer"
+  "devcontainer": "Devcontainer",
+  "coolify": "Coolify",
+  "railway": "Railway"
 };

pages/installation/railway.mdx

@@ -4,18 +4,15 @@ description: How to install Postiz on Railway
 ---
 
 import EarlyDoc from '../../components/snippets/earlydoc.mdx';
-import { Steps, Callout } from 'nextra/components';
 import Prereqs from '../../components/snippets/installation-pre-reqs.mdx';
 
 <EarlyDoc />
 
 <Prereqs />
 
-{/* <Steps> */}
-
 <br />
 
-# Create new Railway Project
+## Create new Railway Project
 
 Just click the button below and use the default settings to get started.
 
@@ -24,14 +21,11 @@ Just click the button below and use the default settings to get started.
 <br />
 <br />
 
-<b>Environment Variables</b>
+### Environment Variables
 
-You will need to set the following environment variables:
+The environment variables should be already set up in the template, only listing here for reference.
 
 ```env
-# This file is just as an example of the required environment variables for railway.
-# The template should have copied these into the railway postiz-app variables section, only listing here for reference.
-
 PORT="5000" # instructs railway to connect the public domain to port 5000
 BACK_END_PORT="3000"
 IS_GENERAL="true"