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/ModularBot.nimble

@@ -0,0 +1,12 @@
+# Package
+version       = "0.1.0"
+author        = "Davide Cappellini"
+description   = "Modular gun harness bot — plugin architecture tracer bullet"
+license       = "MIT"
+srcDir        = "src"
+bin           = @["ModularBot"]
+
+# Dependencies
+requires "nim >= 2.0.0"
+requires "robocode_tankroyale_botapi >= 1.0.7"
+# gun_harness and radar_lock are in common_libs, wired via config.nims --path