refactor: set up monorepo #1537

Job	Run time
Install on Node.js v18	8s
Install on Node.js v20	48s
Lint on Node.js v18	26s
Audit on Node.js v18	16s
Test (Integration) on Node.js v18	10m 10s
Audit on Node.js v20	10s
Lint on Node.js v20	25s
Test (Unit) on Node.js v18	21s
Test (Integration) on Node.js v20	9m 59s
Test (Unit) on Node.js v20	20s
Test (Integration) on Node.js v18 with L3	11m 23s
Test (Integration) on Node.js v20 with L3	11m 30s
Test (Integration) on Node.js v18 with L3 with custom gas token (16 decimals)	11m 56s
Test (Integration) on Node.js v20 with L3 with custom gas token (16 decimals)	11m 58s
Test (Integration) on Node.js v18 with L3 with custom gas token (18 decimals)	11m 41s
Test (Integration) on Node.js v20 with L3 with custom gas token (18 decimals)	11m 51s
Test (Integration) on Node.js v18 with L3 with custom gas token (20 decimals)	11m 59s
Test (Integration) on Node.js v20 with L3 with custom gas token (20 decimals)	11m 54s
	1h 57m 15s

Provide feedback