update readme

README.md

@@ -7,3 +7,18 @@ The zines will then be printed on demand and be send.
 for payment a simple random string will be created to connect payments to orders.
 This way also cash could be send like mullvad is doing it.
 
+# Development
+To get the webserver running do the following:
+
+```bash
+nix develop .#
+# run the webserver
+go run main.go
+```
+
+For updating tailwindcss on the fly open extra shell
+```bash
+nix develop .#
+tailwindcss -i static/input.css -o static/output.css --watch
+```
+