BindAliasPlus

Fix issue #4: Config parser not recognizing nested bind/alias after wait operations

• Fixed leading space bug in WaitAlias handling that caused empty definitions
• Added automatic quote wrapping for arguments containing spaces
• Added blank split filtering to handle trailing backslashes
• Bump version to 1.0.3

feat: Add silent mode to suppress command feedback messages

• Add SilentAlias builtin alias (builtinSilent\1 and builtinSilent\0)
• Add convenient shortcuts +silent and -silent
• Wrap all sendFeedback() calls with silentMode check
• Update README.md with silent mode documentation and examples
• Update README_CN.md with Chinese translation
• Add example patterns: state switcher vs press-and-hold
• Resolves issue #5 - prevent chat spam from toggle binds