[FIX/UPDATE] Setting permissions and commands (#603)

* [FIX/UPDATE] Setting permissions and commands

Changing `lendingbot.service` permission and setting the command `sudo systemctl daemon-reload` before enable `lendingbot.service`

* Highlight the 644 permission is OS dependant

* Update installation.rst

docs/installation.rst

@@ -66,10 +66,25 @@ To download the bot you can either:
         WantedBy=multi-user.target
 
     Credit to GitHub user utdrmac.
+
+
+    The permission on the unit file may need to be set to 644 (depending on your OS) :
+
+    ```
+       sudo chmod 644 /lib/systemd/system/lendingbot.service
+    ```
 
     Modify the ExecStart and WorkingDirectory to match your setup.
-
-    Enable the service using ``sudo systemctl enable lendingbot.service``
+    
+    First you need to configure systemd (depending on your OS):
+    ```
+        sudo systemctl daemon-reload
+    ```
+
+    Enable the service using the command below:
+    ```
+        sudo systemctl enable lendingbot.service
+    ```
 
 * OSx: