Create README.md

Readme docs about the script used to retrieve the agent log file on demand from the mid server

Author: nvprav

Server-Side Components/Background Scripts/Get Agent log from Mid Server/README.md

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+# ServiceNow MID Server Log Retrieval
+
+This script is used to grab a agent log file from a specified **MID Server** on demand.
+
+## What Does It Do?
+
+It sends a command through the **ECC Queue** to the MID Server, asking it to locate a file (like `agent0.log.0`) and send its contents back to the ServiceNow instance.
+
+---
+
+## How to Use the Function
+
+The function is named `getMidServerAgentLog`.
+
+| Parameter | What it is | Example Value |
+| :--- | :--- | :--- |
+| **`midServerName`** | The name of your MID Server. | `"DevMidServer01"` |
+| **`logFileName`** | The name of the file you want. | `"agent0.log.0"` |
+
+### Quick Example:
+
+```javascript
+// Change "YOUR_MID_SERVER" to the actual name!
+var mid = "YOUR_MID_SERVER"; 
+var log = "agent0.log.0";
+
+getMidServerAgentLog(mid, log); 
+// This creates the request in the ECC Queue.