Declare `events` as dependency
MODIFY
package.json
package.json
"codecs": "^2.2.0",
"compact-encoding": "^2.5.0",
"crc32-universal": "^1.0.1",
+ "events": "^3.3.0",
"flat-tree": "^1.9.0",
"hypercore-crypto": "^3.1.0",
"is-options": "^1.0.1",

Declare `events` as dependency (#61)