split feature into more specific folder

src/features/association/createAssociation.ts

src/features/association/joinAssociation.ts

src/features/association/showAssociationDetails.ts

src/features/association/showAssociations.ts

src/features/balance/showBalance.ts

src/features/proposal/createProposal.ts

src/features/token/burnToken.ts

src/features/token/createToken.ts

src/handlers/roleHandlers.ts

src/utils/getRole.ts

test/handlers/roleHandlers.spec.ts