Create README.md

readme.md file helps the developers to understand the usage of the instructions and usage of the script

Author: koratalas

Server-Side Components/Script Includes/Get loggedin user's manager and skip level manager's sysID/README.md

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+**Script explanation :**
+When called via GlideAjax from a client script, it:
+
+1) Takes the user’s sys_id as a parameter (sysparm_user_sys_id).
+2) Queries the sys_user table for that record.
+3) Extracts:
+    The user’s direct manager (manager1)
+    The manager’s manager (manager2)
+4) Returns the results as a JSON string.
+
+**Usage of this script :**
+When the user wants to escalate they can utilize the manager or manager's sys_id depending upon their requirement.