[feat]: add Lucy Edit inference scaffold (#1363)

Co-authored-by: Aryan Kumar <aryan5v@users.noreply.github.com>

examples/inference/basic/basic_lucy_edit.py

@@ -0,0 +1,38 @@
+from fastvideo import VideoGenerator
+
+OUTPUT_PATH = "video_samples_lucy_edit"
+
+
+def main():
+    generator = VideoGenerator.from_pretrained(
+        "decart-ai/Lucy-Edit-Dev",
+        num_gpus=1,
+        use_fsdp_inference=False,
+        dit_cpu_offload=True,
+        vae_cpu_offload=False,
+        text_encoder_cpu_offload=True,
+        pin_cpu_memory=True,
+    )
+
+    prompt = ("Change the apron and blouse to a classic clown costume: satin "
+              "polka-dot jumpsuit in bright primary colors, ruffled white collar, "
+              "oversized pom-pom buttons, white gloves, oversized red shoes, red "
+              "foam nose; soft window light from left, eye-level medium shot.")
+    video_path = "https://d2drjpuinn46lb.cloudfront.net/painter_original_edit.mp4"
+
+    generator.generate_video(
+        prompt,
+        negative_prompt="",
+        video_path=video_path,
+        output_path=OUTPUT_PATH,
+        save_video=True,
+        height=480,
+        width=832,
+        num_frames=81,
+        fps=24,
+        guidance_scale=5.0,
+    )
+
+
+if __name__ == "__main__":
+    main()