edit README.md and helpers

README.md

@@ -13,8 +13,10 @@ Use `pip install -r requirements.txt` to install the requirements. The use of a
 
 Execute `ezgg_badge_generator.py`.
 
-
 ### Further
-The diagram shows the process of the script.
+The `helpers/font_converter.py` can be used to convert a font (.otf) to Base64 in case the font needs to be changed in the future.
+Just replace the base64 `src: url(data:font/ttf;base64,INSERT_BASE64_HERE) format('truetype');` string in `template/template_dynamic_name_size.svg`.
+
+The diagram shows the process of the ezgg-badge-generator.
 
 ![activity diagram](activity_diagram.svg)

helpers/font_converter.py

@@ -0,0 +1,13 @@
+import base64
+
+
+def font_to_base64(path) -> str:
+    with open(path, "rb") as f:
+        encoded = base64.b64encode(f.read()).decode("utf-8")
+    return encoded
+
+
+if __name__ == '__main__':
+    font = font_to_base64("puffy.otf")
+    with open("font_as_base.txt", "w") as file:
+        file.write(font)