data(spells): add batch 2 of PC spell list (32 spells)

data/spells/oath_of_anonymity.json

@@ -0,0 +1,10 @@
+{
+  "name": "Oath of Anonymity",
+  "level": 0,
+  "school": "illusion",
+  "range": "personal",
+  "save": "none",
+  "base_dc": 10,
+  "effects": [],
+  "description": "A cantrip: you swear an oath of secrecy - your voice, body language and gear are magically distorted, granting a +10 bonus on Disguise checks to conceal your identity (not to impersonate a specific person) for 10 min/level. Social skill effect only: the engine does not model skill-check modifiers, so the spell has no mechanical effects here."
+}