Fixed file param bug

Author: eldadfux

docs/examples/functions/create-tag.md

@@ -10,6 +10,6 @@ client
 
 functions = Appwrite::Functions.new(client);
 
-response = functions.create_tag(function_id: '[FUNCTION_ID]', command: '[COMMAND]', code: '');
+response = functions.create_tag(function_id: '[FUNCTION_ID]', command: '[COMMAND]', code: Appwrite::File.new());
 
 puts response

docs/examples/storage/create-file.md

@@ -10,6 +10,6 @@ client
 
 storage = Appwrite::Storage.new(client);
 
-response = storage.create_file(file: '');
+response = storage.create_file(file: Appwrite::File.new());
 
 puts response