[Anon] Skaven of Clan Pestilens (1b): Plague monks start with 8 experience like the plage sourcerer

**Problem:**
Plague monks start with 8 experience like the plage sourcerer

**Expected:**
The 8 experience are added by default, no advancments have to be taken

**Additional Info:**
https://www.mordheimer.net/docs/warbands/grade-1b-warbands/skaven-pestilens#starting-experience

**List:** https://www.newrecruit.eu/app/list/HplF5
**Unit:** Plague Monks[1], id: b330-8279-108d-9c4c
**NewRecruit Version:** 34.17
**Platform:** Web
**Language:** en
**User Agent:** Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36

Start with the linked starting-experience documentation and the NewRecruit list, then locate the Clan Pestilens grade 1b data entry for Plague Monks. Verify that the unit receives 8 starting experience by default without selecting advancements, and confirm the linked list reflects the corrected value.

Written by the indexing model from the issue text.