Merge remote-tracking branch 'upstream/develop' into j94/eslint

README.md

config/config.sample.yaml

config/config.schema.yaml

docs/howto.md

src/bot.ts

src/clientfactory.ts

src/db/postgres.ts

src/log.ts

src/matrixeventprocessor.ts

src/matrixroomhandler.ts

src/presencehandler.ts

src/usersyncroniser.ts

src/util.ts

test/db/test_roomstore.ts

test/test_clientfactory.ts

test/test_discordcommandhandler.ts

test/test_discordmessageprocessor.ts

test/test_log.ts

test/test_matrixroomhandler.ts

test/test_presencehandler.ts