Add cli check for common src directory

[daveycodez]

triplit/packages/cli/src/filesystem.ts

Line 14 in 7acfdf9

export const TRIPLIT_DIR = path.join(CWD, 'triplit');

const BASE_PATH = fs.existsSync(path.join(CWD, 'src')) ? 'src/' : ''
export const TRIPLIT_DIR = path.join(CWD, `${BASE_PATH}triplit`);

[ahrorbeksoft]

so, are we having it or not?