* Fix property descriptions, add missing properties
Fixes incorrect property descriptions, adds missing properties, and adds an up-to-date example.
* Update logo descriptions
Updates the "large" and "small" logo descriptions to specify SVG image type requirement, and that they may be identical
* Update docs/sources/plugins/developing/plugin.json.md
* docs(plugins): new developing plugins section
Creates new section called Developing Plugins in
the plugin section of the docs.
1. Some changes to the Development guide page
2. Converted defaults/editor mode blog post
to new page
3. Converted snapshots blog post to new page
4. Adds new code styleguide page
5. Updates to apps and datasources pages
6. Adds plugin.json schema
* docs(links): fixes broken links
Fixes broken links to other pages as
well as broken image links.
