Miscellaneous datapack related changes/additions

[ghost]

Pull Request Prelude

• I have followed proper The Forgotten Server code styling.
• I have read and understood the contribution guidelines before making this PR.
• I am aware that this PR may be closed if the above-mentioned criteria are not fulfilled.

Changes Proposed

• added new achievements to the lib
• added potion talktype
• knights now can use strong mana potion and paladins are able to use great mana potion
• updated empty potion flask descriptions and fixed a wrongly named one
• added new distance weapons
• Added familiars (only files) also added summon challenge spell used by them
• updated sweet mangonaise elixir description
• updated shiny blade attack and defense modifier
• added new food

[Zbizu]

(this isn't a request for changes, just a note)

There are achievement ids hardcoded in the new client. A new value in achievements table (clientId) or a map (serverId to clientId) could be used to link that system more easily.