Rework tool categories

[MQ37]

Context: https://apify.slack.com/archives/C08N1LWC596/p1754654999855099

it MUST reflect this spec: https://www.notion.so/apify/MCP-Server-240f39950a22800d9019f92ed7e8da93#240f39950a22800db669fad363ce97d1

it MUST be backward compatible with the current implementation and current tool category names

Address this user request:

Lets say I only want to use one specific actor, and not the other features such as "add actor"/"search actor". Could I configure the server to only use a pre determined set of actors?

related to #214

Put ALL tools into some category and rework the category names and update categories enabled by default.

[jirispilka]

Please keep it backward compatible, we don't want to break the functionality again.

[jirispilka]

And here is a feature request for the same: https://console.apify.com/actors/1lSvMAaRcadrM1Vgv/issues/uMIkLfBQgw1hy8M95

[MQ37]

done and released