docs: reorganize systemd service file documentation

Author: revelaction

systemd.md

@@ -9,9 +9,8 @@
 - Reload Configuration on SIGHUP
 - See logs
 
-# systemd Service File
 
-## Modify the service file
+# Modify the service file
 
 ``` 
 [Service]
@@ -28,7 +27,7 @@ TimeoutSec=10
 Change the `user` and `group` to your own user.
 Make sure `WorkingDirectory` and `ExecStart` points to existing own paths.
 
-## Copy the Service File to the Systemd Directory
+# Copy the Service File to the Systemd Directory
 
 You need to copy your .service file to the `/etc/systemd/system`
 directory. This is where systemd looks for service files. You'll need superuser
@@ -38,14 +37,14 @@ privileges to do this.
 sudo cp ical-git.service /etc/systemd/system/
 ```
 
-## Reload Systemd Daemon: 
+# Reload Systemd Daemon: 
 
 After adding or modifying any service file, you need to reload the systemd daemon so it can recognize the new or changed service file.
 ```console
 sudo systemctl daemon-reload
 ```
 
-## Enable the Service
+# Enable the Service
 
 If you want your service to start automatically on boot, you should enable it.
 This step is optional but recommended for most services that you want to run
@@ -55,7 +54,7 @@ continuously.
 sudo systemctl enable ical-git.service 
 ```
 
-## Start the Service
+# Start the Service
 
 Now, you can start your service. If you've enabled it, this step is technically
 optional since it will start on the next boot, but you'll likely want to start
@@ -65,21 +64,21 @@ it immediately for testing purposes.
 sudo systemctl start ical-git.service 
 ```
 
-## Check the Service Status 
+# Check the Service Status 
 To verify that your service is running as expected, you can check its status.
 
 ```console
 sudo systemctl status ical-git.service 
 ```
 
-## Reload Configuration on SIGHUP
+# Reload Configuration on SIGHUP
 `ical-git` can reload its configuration file when it receives the SIGHUP signal. To reload the configuration without restarting the service, use the following command:
 
 ```console
 sudo systemctl reload ical-git.service
 ```
 
-## See logs
+# See logs
 
 ```console
 sudo journalctl -u ical-git.service