feat(ModularBot): pluggable bot with 4 guns, phantom meteor movement, radar harness

- Gun harness: virtual bullet tracker, rolling fitness, auto-selector
- Guns: head-on, linear (extrapolation), circular (integrated formula), tsetlin machine (learning)
- Movement: phantom meteor gravity engine (danger histograms, phantom bullets, fire detection)
- Radar: harness + radar_lock adapter
- Color-coded modules: turret/bullet color per gun, body per movement, scan per radar
- Beats Target, SpinBot, Crazy, TrackFire in 10-round battles

ModularBot_garage/src/ModularBot_minimal.nim

@@ -0,0 +1,17 @@
+## Minimal ModularBot for testing.
+import std/os
+import robocode_tankroyale_botapi
+
+const botJsonPath = currentSourcePath().parentDir / "ModularBot.json"
+
+type ModularBot = ref object of Bot
+
+method run*(bot: ModularBot) =
+  while isRunning():
+    setTargetSpeed(0.0)
+    setRadarTurnRate(45.0)
+    go()
+
+when isMainModule:
+  var bot = ModularBot()
+  start(bot, botJsonPath)