Merge pull request #280 from anovik/grid

Examples for new grid component

Merge pull request #281 from unidoc/rc-v3.69.0

Release v3.69.0

Merge pull request #276 from unidoc/rc-v3.68.0

Release v3.68.0

Prepare examples for rc-v3.29.0 (#164)

* Add more advanced text search and replace example

* Added a new example with the signing document twice. It works with a previously signed document.

* Added a new example with signing an encrypted document.

* Fix naming

* return license check

* fix permissions for write file

* update modules etc

* fix for compatibility

Co-authored-by: Adrian-George Bostan <adrg@epistack.com>
Co-authored-by: Fizz <diku55@mail.ru>

Merge pull request #124 from unidoc/rc-v3.14.0

Examples for UniPDF v3.14.0

Merge pull request #121 from 3ace/partial_flatten

Partial flattening example code