Added additional examples and fixed BlockSet example

[thetestgame]

This PR fixes the existing BlockSet example for the latest version of Eco as well as adds the following examples

• Ecopedia XML pages
• Custom Recipes using 9.4's Mod system
• Custom food items example
• Basic Echo command example
• Green Stained Glass Block example

[redwyre]

Why does the roasted seeds contain the com.strangeloopgames.eco-shared package? That's internal

Also would it be possible to split this into a PR per mod? This is too many files to check for one PR 😅