fix(rss-import): add Castopod user-agent, handle redirects for downloaded files, add Content namespace

updated podcast import translations

closes #34

- add podcast sidebar navigation
- add podcast dashboard with latest episodes
- add pagination to podcast episodes
- add components helper to reuse ui components (button, data_table, etc.)
- enhance podcast and episode forms by splitting them into form sections
- add hint tooltips to podcast and episode forms
- transform radio inputs as buttons for better ux
- replace explicit field by parental_advisory
- replace author field by publisher
- add podcasts_categories table to set multiple categories
- use choices.js to enhance multiselect fields
- update Language files
- update js dependencies to latest versions

closes #31, #9

- resize uploaded image to thumbnail, medium, large, feed, and id3 formats
- set image url formats where adapted in views
- set format sizes and extensions in Images config file for customization
- add validation for image uploads: `min_dims` and `is_image_squared`
- update codeigniter4 and myth-auth php packages to latest develop versions
- update npm packages to latest versions
- update public/.htaccess

closes #6

Benjamin Bellamy authored 4 years ago and Yassine Doghri committed 4 years ago

* add podcast import form
* add League\\HTMLToMarkdown
* add guid field in podcast table
* change podcast category from string to id

closes #21