fix: remove the lock file since this is a library, upgrade dev dependencies, and fix eslint errors/warnings

Author: Sam Harrison

.gitignore

@@ -4,6 +4,7 @@
 /dist
 /tmp
 /yarn.lock
+package-lock.json
 node_modules
 coverage
 *.glksave

Makefile

@@ -4,6 +4,7 @@ githooks:
 	ln -sf ../../githooks/pre-commit .git/hooks/pre-commit
 
 install: githooks
+	rm -f package-lock.json
 	npm install --no-optional
 
 test: