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.

src/patterns/strobe_burst.py

@@ -0,0 +1,24 @@
+import utime
+
+
+class StrobeBurst:
+    def __init__(self, driver):
+        self.driver = driver
+
+    def run(self, preset):
+        colors = preset.c if preset.c else [(255, 255, 255)]
+        count = max(1, int(preset.n1) if int(preset.n1) > 0 else 3)
+        gap = max(1, int(preset.n2) if int(preset.n2) > 0 else 60)
+        cooldown = max(1, int(preset.n3) if int(preset.n3) > 0 else 400)
+        c = self.driver.apply_brightness(colors[0], preset.b)
+        while True:
+            for _ in range(count):
+                self.driver.fill(c)
+                utime.sleep_ms(max(1, int(preset.d)//2))
+                self.driver.fill((0, 0, 0))
+                utime.sleep_ms(gap)
+                yield
+            utime.sleep_ms(cooldown)
+            yield
+            if not preset.a:
+                return