Toolkit service: Register manage_neuron generic nervous system function

Register generic nervous system function for managing neurons via the toolkit service canister

This proposal was created using https://ic-toolkit.app

Proposal to add new NervousSystemFunction:

Function:

NervousSystemFunction { id: 1001, name: "Toolkit service - manage neurons", description: Some( "Manage neurons managed by the toolkit service canister", ), function_type: Some( GenericNervousSystemFunction( GenericNervousSystemFunction { target_canister_id: Some( kdrez-4qaaa-aaaal-qsnwq-cai, ), target_method_name: Some( "tk_service_manage_neuron", ), validator_canister_id: Some( kdrez-4qaaa-aaaal-qsnwq-cai, ), validator_method_name: Some( "tk_service_validate_manage_neuron", ), topic: Some( TreasuryAssetManagement, ), }, ), ), }