Add self-referential example

examples/selfreferential.py

@@ -0,0 +1,25 @@
+import os
+import re
+from pathlib import Path
+
+from wrdcld import make_word_cloud
+
+FOLDER_PATH = Path("wrdcld")
+
+all_text = ""
+for filename in os.listdir(FOLDER_PATH):
+    if filename.endswith(".py"):
+        with open(FOLDER_PATH / filename, "r", encoding="utf-8") as f:
+            all_text += f.read()
+
+cleaned_text = re.sub(r"[^a-zA-Z0-9_\s]", " ", all_text)
+all_words = cleaned_text.split()
+
+
+img = make_word_cloud(
+    all_words=all_words,
+    minimum_font_size=5,
+    word_padding=3,
+)
+
+img.show()