Implemented file drop inputs, Preparing more tools

Update app.py, excel-password-remover.yml, and 30 more files...

website/renderers/file_input.py

@@ -1,3 +1,13 @@
+from flask import render_template
 
-def render_file_input() -> str:
-    return ""
+
+def render_file_input(input_id: str, multiple: bool, accept: str = None,
+                      upload_button: bool = False, clear_button: bool = False) -> str:
+    return render_template(
+        "elements/file-input.jinja",
+        file_input_id=input_id,
+        file_multiple=multiple,
+        file_accept=accept,
+        file_upload_button=upload_button,
+        file_clear_button=clear_button,
+    )