v1.0.4: Bump version to 1.0.4 and enhance bs-touchspin library:

- Updated `bs-touchspin.js` version to 1.0.4.
- Introduced `namespace` for scoped event handling.
- Added `inputMinWidth` configuration for adjustable input width.
- Implemented dynamic width handling with `handleInputWidth` and width calculation logic.
- Refined prefix and postfix handling with new `setPrefix` and `setPostfix` methods.
- Enhanced event bindings with namespaced handlers for better isolation.
- Added `destroy` method for proper instance cleanup and restoration.