Hotfix missing examples on docker and filter files

.dockerignore

@@ -2,5 +2,6 @@
 !models/
 !weights/
 !utils/
+!examples/
 !main.py
 !requirements.txt

main.py

@@ -1,4 +1,5 @@
 import os
+import re
 from pathlib import Path
 from typing import List
 
@@ -27,7 +28,9 @@ SUPPORTED_IMG_EXT = ['.png', '.jpg', '.jpeg']
 
 EXAMPLE_IMAGES = [
     os.path.join(os.path.dirname(__file__), f'examples/{f}')
-    for f in os.listdir('examples/')]
+    for f in os.listdir('examples/')
+    if re.search(r'.*.(jpg|jpeg|tiff|JPEG|PNG|png)', f)
+]
 
 
 def filter_files(files: List) -> List: