v0.0.66

• Updated OllamaChat::Tools::GetCurrentWeather.execute to return a JSON
  string with keys current_time, measurement_time, temperature, and
  unit
• Renamed tool class OllamaChat::Tools::VimOpenFile to
  OllamaChat::Tools::OpenFileInEditor
• Updated register_name from vim_open_file to open_file_in_editor for the
  file opening tool
• Changed execute method in OpenFileInEditor to resolve args.path with
  Pathname.new(...).expand_path and call chat.vim.open_file
• Updated OllamaChat::Tools::ReadFile to return a JSON string containing
  path and content instead of raw content
• Updated default_config.yml to use open_file_in_editor instead of
  vim_open_file
• Improved error handling in weather tool with JSON error messages that are
  more consistent with Ruby exception handling patterns
• Enhanced documentation for fetch_issue method in
  OllamaChat::Tools::GetJiraIssue class with detailed parameter and return
  value descriptions
• Added regular expression documentation in OllamaChat::Parsing module
• Improved maintainability by adding comprehensive comments to JIRA tool
  implementation
• Replaced STDERR.printf calls for unconfigured and unregistered tools with
  assignments to @chat.tool_call_results[name]
• Updated error strings to include the "Error: " prefix and use string
  interpolation with % formatting
• Removed all direct stderr output, centralizing error handling in the chat
  object