feat(evo-bot): initial setup — architecture docs, sparring partner, GA spike prototype

Cherry-picked Evo_Bot-related files from research/goto-controller:
- CONTEXT.md (domain context)
- ADR-0001: neuroevolution with fixed-topology ANN evolved by GA
- GA parameters research doc
- OscillatorBot sparring partner
- prototypes/ga_gun_spike GA prototype
- 13 neuroevolution reference papers

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

OscillatorBot/OscillatorBot.json

@@ -0,0 +1,11 @@
+{
+  "name": "OscillatorBot",
+  "version": "0.1.0",
+  "authors": ["Davide Cappellini"],
+  "description": "Predictable zigzag sparring partner for gun testing",
+  "homepage": "",
+  "countryCodes": ["IT"],
+  "gameTypes": ["classic", "1v1"],
+  "platform": "Nim",
+  "programmingLang": "Nim"
+}