[SM-303] feat: add fadeIn animation to bit-dialog (#4309)

libs/components/src/dialog/animations.ts

@@ -0,0 +1,11 @@
+import { style, animate, trigger, transition, group } from "@angular/animations";
+
+export const fadeIn = trigger("fadeIn", [
+  transition(":enter", [
+    style({ opacity: 0, transform: "translateY(-50px)" }),
+    group([
+      animate("0.15s linear", style({ opacity: 1 })),
+      animate("0.3s ease-out", style({ transform: "none" })),
+    ]),
+  ]),
+]);