fix: Use license = {file = 'LICENSE.md'} — hatchling requires table syntax

Author: James Trageser (jtrag)

pyproject.toml

@@ -8,7 +8,7 @@ dynamic = ["version"]
 description = "Core mathematics for the Nexus Resonance Codex (QRT, MST, TUPT, Phi)."
 readme = "README.md"
 requires-python = ">=3.10"
-license = "NRC-L-2.0"
+license = {file = "LICENSE.md"}
 keywords = ["mathematics", "golden-ratio", "resonance", "quantum", "physics"]
 authors = [
     { name = "James Trageser", email = "Nexus-Resonance-Codex@gmail.com" },