version 0.1.0

- add nixosModules config part to readme
- cleanup
- add version tag 0.1.0

Signed-off-by: Florian Brandes <florian.brandes@posteo.de>

README.md

@@ -17,7 +17,7 @@ For now, this is a proof-of-concept.
 ## Features
 
 - Relay emails received on a locally listening SMTP server
-- Encrypt and sign the relayed mails (experimental)
+- Encrypt and sign the relayed mails
 
 
 ## Installation/Hacking
@@ -57,7 +57,7 @@ Please read https://radicle.xyz/guides/user to get used to clone this repo with
 
 If you just want to clone the repo without `radicle` you can clone the repo with `git clone https://seed.radicle.garden/z3gWc1qgaeZaoGwL4WTstLNoqjayM.git smtprd-ng`
 
-Beware: This is very early alpha ;-)
+Beware: This is alpha ;-)
 
 ## License
 
@@ -86,13 +86,58 @@ Where
 
 Plese note: Right now, there is no way to set a password, so the private key is unprotected and should only be used for this automation and have appropiate file permissions. I might add the option to set a password through the config file in the future, though.
 
+### Systemd
+
+An example `systemd` file is in the `sytemd` subfolder. Be sure to replace @smtprd@ with a path to the python executable. 
+
+For `NixOS` you yan use the provided `nixosModule` like so: 
+
+```nix
+# flake.nix
+{
+  inputs.smtp = {
+    url = "git+https://seed.radicle.garden/z3gWc1qgaeZaoGwL4WTstLNoqjayM.git";
+
+  };
+
+  outputs = inputs@{ ... }: {
+
+    nixosConfigurations = {
+      my-config = inputs.nixpkgs.lib.nixosSystem {
+        system = "x86_64-linux";
+        modules = [
+          inputs.smtp.nixosModules.smtprd-ng
+          {
+            services.smtprd-ng = {
+                enable = true;
+                client = {
+                  hostname = "smtp.example.com";
+                  username = "username";
+                  password_file = "/etc/smtp_pw";
+                  sender = "username@example.com";
+                  start_tls = true;
+                  smime_cert = "${./smime.crt}";
+                  smime_cert_private = "/etc/private.key";
+                };
+                emails = {
+                  "monitor@example.com" = "${./cert_for_monitor_example_com}";
+                  "second_monitor@example.com" = "";
+                };
+              };
+          }
+        ];
+      };
+    };
+  };
+}
+
+```
+
 
 ## Roadmap
 
 - Add wheel for pypi
 
-- Add systemd service
-
 - Cleanup code