Add github action that packages a release tarball (#148)

Change-Id: I368a834a27f69550596a041c1e6b84afd40011b7

README.md

@@ -21,13 +21,23 @@ See also [Synapse administration endpoints](https://matrix-org.github.io/synapse
 
 ## Step-By-Step install:
 
-You have two options:
+You have three options:
 
-1.  Download the source code from github and run using nodejs
-2.  Run the Docker container
+1.  Download the tarball and serve with any webserver
+2.  Download the source code from github and run using nodejs
+3.  Run the Docker container
 
 Steps for 1):
 
+- make sure you have a webserver installed that can serve static files (any webserver like nginx or apache will do)
+- configure a vhost for synapse admin on your webserver
+- download the .tar.gz from the latest release: https://github.com/Awesome-Technologies/synapse-admin/releases/latest
+- unpack the .tar.gz
+- move or symlink the `synapse-admin-x.x.x` into your vhosts root dir
+- open the url of the vhost in your browser
+
+Steps for 2):
+
 - make sure you have installed the following: git, yarn, nodejs
 - download the source code: `git clone https://github.com/Awesome-Technologies/synapse-admin.git`
 - change into downloaded directory: `cd synapse-admin`
@@ -39,7 +49,7 @@ Either you define it at startup (e.g. `REACT_APP_SERVER=https://yourmatrixserver
 or by editing it in the [.env](.env) file. See also the
 [documentation](https://create-react-app.dev/docs/adding-custom-environment-variables/).
 
-Steps for 2):
+Steps for 3):
 
 - run the Docker container from the public docker registry: `docker run -p 8080:80 awesometechnologies/synapse-admin` or use the [docker-compose.yml](docker-compose.yml): `docker-compose up -d`