Add Simple-PDF

[richard-llmnn]

https://richard-llmnn.github.io/Simple-PDF/

Simple-PDF provides an easy and secure (GDPR compliant) way to manage PDF files directly in your browser.
You can merge PDF files, reorder and resize pages, insert images on any device in 5 languages.

By submitting this pull request I confirm I've read and complied with the below requirements.

Failure to properly do so will just result in the pull request being closed and everyone's time wasted. Please read it twice. Most people miss many things.

• I have read the Contribution guidelines and I am confident that my PR is suitable.
• This pull request has a descriptive title. For example, Add [App name], not Update readme.md or Added new entries.
• The app I added is not a duplicate.

[richard-llmnn]

@mlaadd do you have any suggestions for improvement?

[mathus1]

I tried it. This app is useful. Users have found it to be a valuable tool for various tasks. However, you can add more functionality to it like import PDF, split PDF pages or rearrange pages.

[mlaadd]

looks great!

[richard-llmnn]

@aviaryan
Are there still tasks/requirements open? We maintain and update the webapp monthly via GitHub.