feat(patterns): add expanded animation pack with smoke tests

Add a broad set of new pattern modules and matching pattern smoke scripts so the new effects can be validated directly on-device.

tests/patterns/heartbeat.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+import utime
+from machine import WDT
+from settings import Settings
+from presets import Presets, run_tick
+
+
+def run_for(p, wdt, ms):
+    start = utime.ticks_ms()
+    while utime.ticks_diff(utime.ticks_ms(), start) < ms:
+        wdt.feed()
+        run_tick(p)
+        utime.sleep_ms(10)
+
+
+def main():
+    s = Settings()
+    p = Presets(pin=s.get("led_pin", 10), num_leds=s.get("num_leds", 30))
+    wdt = WDT(timeout=10000)
+
+    p.edit("test_heartbeat", {
+        "p": "heartbeat",
+        "b": 200,
+        "d": 60,
+        "c": [(255, 0, 0), (0, 0, 255), (0, 255, 0)],
+        "n1": 4,
+        "n2": 2,
+        "n3": 120,
+        "a": True,
+    })
+    p.select("test_heartbeat")
+    run_for(p, wdt, 3000)
+
+    p.edit("cleanup_off", {"p": "off"})
+    p.select("cleanup_off")
+    run_for(p, wdt, 100)
+
+
+if __name__ == "__main__":
+    main()