feat(guides): SABnzbd - Updated description for utilizing the scripts folder (#2086)

* Update index.md

Added prerequisites for better understanding the following steps.
It should be clearer now that the user needs to create a scripts folder and has to select it inside the settings.

* Updated description for utilizing the scripts folder

Added prerequisites for better understanding the following steps.
It should be clearer now that the user needs to create a scripts folder and has to select it inside the settings.
2nd commit approach. I'm new to this stuff.

* Updated description for utilizing the scripts folder

Added prerequisites for better understanding the following steps.
It should be clearer now that the user needs to create a scripts folder and has to select it inside the settings.
3rd commit approach. I'm new to this stuff.

* feat(guides): Updated description for utilizing the scripts folder

Added prerequisites for better understanding the following steps.
It should be clearer now that the user needs to create a scripts folder and has to select it inside the settings.
4th commit approach. I'm new to this stuff.

docs/Downloaders/SABnzbd/scripts/index.md

@@ -6,6 +6,12 @@ If you have a script you want to share, don't hesitate to create a [PR](https://
 
 !!! warning "Because these scripts are community-provided and maintained we can't assure that they are still 100% working"
 
+## Prerequisites
+
+- You've created folder called `scripts` in the root directory of SABnzbd
+- You've set the `scripts` folder inside the SABnzbd settings under `Folder > User Folders > Scripts Folder`. ([More Infos](https://sabnzbd.org/wiki/configuration/4.3/folders))
+- Your script got sufficient rights to execute. ([More Infos](https://sabnzbd.org/wiki/configuration/4.3/scripts/post-processing-scripts))
+
 ## Clean
 
 ??? info "Clean NZB name"
@@ -20,10 +26,11 @@ If you have a script you want to share, don't hesitate to create a [PR](https://
 
     Install Instructions:
 
-        1. Copy script to SABnzbd's script folder
-        1. run: `sudo chmod +x Clean.py`
-        1. in SABnzbd go to `Settings` => `Switches`
-        1. Change Pre-queue user script and select: `Clean.py`
+        1. Copy script to SABnzbd's `scripts` folder
+        2. Use your prefered shell and navigate to the `scripts` folder with the command `cd` (example `cd /mnt/user/appdata/sabnzdb/scripts`).
+        3. run: `sudo chmod +x Clean.py`
+        4. in SABnzbd go to `Settings` => `Switches`
+        5. Change Pre-queue user script and select: `Clean.py`
 
     ![!Enable Clean.py](/Downloaders/SABnzbd/images/sabnzbd-switches-queue-clean.png)