Version 3.0

This is the release commit of Podcast Generator 3.0

doc/release-notes/3.0.md

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+# 3.0
+Podcast Generator 3.0 is now available from: https://github.com/albertobeta/PodcastGenerator/archive/v3.0.zip
+This a new major release, the code has been re-written from scratch entirely. This version is compatible with Podcast Generator 2.7 except themes.
+
+## Notes on this release
+This release does not have that many new features. The purpose of this version was to modernize PG as the old versions carried code from 2006. Since then lots of stuff has changed and an update was just needed.
+
+## How to upgrade
+**Be sure to make a backup before updating!**
+1. Download the release
+2. Extract the ZIP-Arhive
+3. Enter the directory (There are lots of meta files (license stuff for example, `PodcastGenerator/` is what you are looking for))
+4. Upload the PodcastGenerator folder, or it's content to your desired location on your web server.
+5. If necessary, adjust permissions by `chmod -R 775 PodcastGenerator/` (if you don't know what file permissions and have no access to a shell you can ignore this step)
+6. Point your web browser to your website where Podcast Generator is installed.
+7. You will get prompted by an assistant which asks you to enter your password
+8. There you go, enjoy the new version of Podcast Generator.
+
+## Compatibility
+Podcast Generator 3 was developed with `PHP 7.3.11`. In general all `PHP 7+` versions should work. However it is unknown if it will work with `PHP 5` but you shouldn't use PHP5 either as it has reached it's end of life and is just a potential security risk.
+It was developed using `PHP 7.3.11` on `GNU/Linux Debian Buster` using `nginx`. It should be independent of the OS and web server though. If you expect any problems, please report them at [GitHub](https://github.com/albertobeta/PodcastGenerator/issues). We will try our best to publish a new version as fast as possible to fix this bug
+
+## Notable Changes
+As this Version was made completely from scratch it isn't really possible to list all changes but we try our best:
+* New theme system
+* New default theme
+* New admin interface
+* New page hierarchy (no longer the `?p=pagename` stuff)
+* New default cover
+* New logo
+* New iTunes Categories
+* Buttons system
+* Remove date format
+* Remove social network functionality (and tracking stuff)
+* Remove hints
+
+In fact these changes look really poor for a major version but if you try out the release, you will notice lots of changes but an ease of use.
+
+## Known issues
+### Translation
+* Two strings are untranslated and therefore just english
+
+## Credits
+Thanks to everyone who contributed code to this release:
+* Emil Engler
+* Sigmoria
+
+As well as everyone who contributed feedback during the development:
+* Alberto Betella
+* Gorom
+* Brandon Wright
+* Jyoti Sharma
+* Alix
+* plothost
+* madsha
+* alancontino
+* Invictaz
+
+Also thanks to everyone who helped translating Podcast Generator!
+
+Finally thanks to James Heinrich and the getID3 Developers for this awesome library and thanks to the bootstrap authors for this great CSS/JS framework!
+
+You guys are all awesome🚀