mostly completed v12 update

package.json

public/assets/js/search.js

public/modules/commands_util.html

public/modules/configurations_quickjs_async_mqtt.html

public/modules/types.html

src/commands/1.0,1.1/get.ts

src/commands/1.2/get.ts

src/commands/util.ts

src/configurations/build.ts

src/types.ts

src/util.ts

tests/integration/index.test.ts