Move systemd unit templates to cmdeploy

They are part of deployment rather than service itself.
Different deployments may have different users,
filesystem layout etc.

cmdeploy/src/cmdeploy/__init__.py

@@ -110,7 +110,9 @@ def _install_remote_venv_with_chatmaild(config) -> None:
             remote_venv_dir=remote_venv_dir,
             mail_domain=config.mail_domain,
         )
-        source_path = importlib.resources.files("chatmaild").joinpath(f"{fn}.service.f")
+        source_path = importlib.resources.files(__package__).joinpath(
+            "service", f"{fn}.service.f"
+        )
         content = source_path.read_text().format(**params).encode()
 
         files.put(

cmdeploy/src/cmdeploy/service/chatmail-metadata.service.f

@@ -0,0 +1,10 @@
+[Unit]
+Description=Chatmail dict proxy for IMAP METADATA
+
+[Service]
+ExecStart={execpath} /run/dovecot/metadata.socket vmail /home/vmail/mail/{mail_domain}
+Restart=always
+RestartSec=30
+
+[Install]
+WantedBy=multi-user.target

cmdeploy/src/cmdeploy/service/doveauth.service.f

@@ -0,0 +1,10 @@
+[Unit]
+Description=Chatmail dict authentication proxy for dovecot
+
+[Service]
+ExecStart={execpath} /run/dovecot/doveauth.socket vmail /home/vmail/passdb.sqlite {config_path}
+Restart=always
+RestartSec=30
+
+[Install]
+WantedBy=multi-user.target

cmdeploy/src/cmdeploy/service/echobot.service.f

@@ -0,0 +1,11 @@
+[Unit]
+Description=Chatmail echo bot for testing it works
+
+[Service]
+ExecStart={execpath} {config_path}
+Environment="PATH={remote_venv_dir}:$PATH"
+Restart=always
+RestartSec=30
+
+[Install]
+WantedBy=multi-user.target

cmdeploy/src/cmdeploy/service/filtermail.service.f

@@ -0,0 +1,10 @@
+[Unit]
+Description=Chatmail Postfix before queue filter
+
+[Service]
+ExecStart={execpath} {config_path}
+Restart=always
+RestartSec=30
+
+[Install]
+WantedBy=multi-user.target