minor: Add basic editorconfig and pre-commit hooks to enforce style for whitespaces (#1926)

examples/runtime/engine/input_ids.py

@@ -21,7 +21,7 @@ def main():
     # Tokenize inputs
     tokenizer = get_tokenizer(MODEL_PATH)
     token_ids_list = [tokenizer.encode(prompt) for prompt in prompts]
-    
+
     # Create an LLM.
     # You can also specify `skip_tokenizer_init=True`, but it requires explicit detokenization at the end
     llm = sgl.Engine(model_path=MODEL_PATH)
@@ -36,4 +36,4 @@ def main():
 # The __main__ condition is necessary here because we use "spawn" to create subprocesses
 # Spawn starts a fresh program every time, if there is no __main__, it will run into infinite loop to keep spawning processes from sgl.Engine
 if __name__ == "__main__":
-    main()
+    main()