Merge branch 'develop' into reliable_discord

config/config.sample.yaml

docs/howto.md

package-lock.json

package.json

src/bot.ts

src/config.ts

src/db/roomstore.ts

src/db/userstore.ts

src/discordmessageprocessor.ts

src/matrixeventprocessor.ts

src/matrixmessageprocessor.ts

src/matrixtypes.ts

src/metrics.ts

src/store.ts

src/structures/lock.ts

src/structures/timedcache.ts

src/usersyncroniser.ts

src/util.ts

test/config.ts

test/structures/test_lock.ts