[Keymap] Phoebe keymap improvements (#7963)

* [Phoebe] Allow to input pipe characters with only one modifier

* [Phoebe] Update RGB animations

keyboards/maxr1998/phoebe/config.h

@@ -49,9 +49,14 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /* RGB LED Setup */
 #define RGB_DI_PIN          F0 // pin the DI on the WS2812B is hooked-up to
-#define RGBLIGHT_ANIMATIONS    // run RGB animations
 #define RGBLED_NUM          8  // number of LEDs
 
+/* Selectively enable animation effects */
+#define RGBLIGHT_EFFECT_RAINBOW_SWIRL
+#define RGBLIGHT_EFFECT_SNAKE
+#define RGBLIGHT_EFFECT_CHRISTMAS
+#define RGBLIGHT_EFFECT_CHRISTMAS_STEP 1
+
 /*
  * Feature disable options
  *  These options are also useful to firmware size reduction.