feat: also allow the config file without dot, give an error message at search replace if search was not found in file

.chatgpt_config.yaml

@@ -1,4 +1,4 @@
-project_name: "chatgpt_nvim"
+project_name: "chatgpt.vim"
 default_prompt_blocks:
   - "basic-prompt"
   - "secure-coding"
@@ -20,8 +20,9 @@ auto_lint: true
 
 # New tool auto-accept config
 tool_auto_accept:
-  readFile: false
-  editFile: false
+  readFile: true
+  editFile: true
+  replace_in_file: true
   executeCommand: false
   # If you set any of these to true, it will auto accept them without prompting.
   # 'executeCommand' should remain false by default unless you're certain it's safe.