Update docs and fix comments

README.md

indexedDb/implementation.go

indexedDb/implementation_test.go

indexedDb/init.go

indexedDb/model.go

test/index.html

utils/utils.go

wasm/backup.go

wasm/broadcast.go

wasm/channels.go

wasm/cmix.go

wasm/connect.go

wasm/delivery.go

wasm/e2e.go

wasm/e2eHandler.go

wasm/fileTransfer.go

wasm/follow.go

wasm/group.go

wasm/logging.go

wasm/restlikeSingle.go