Add network

[Husienvora]

add network in vault class

[github-actions[bot]]

Coverage Report (71%)

File	% Stmts	% Branch	% Funcs	% Lines	Uncovered Line #s
All files	70.64	63.08	80.48	71.19
chains	73.68	0	75	73.68
index.js	73.68	0	75	73.68	54–60
config	100	100	100	100
index.js	100	100	100	100
constants	100	100	100	100
index.js	100	100	100	100
constants/responses	100	100	100	100
index.js	100	100	100	100
lib	70.2	64.55	80.32	70.45
keyring.js	66.12	62.06	79.59	66.39	53, 70, 80, 84–85, 168–188, 219–222, 236–262, 284–294, 371–449, 466–469, 478, 482–484, 496–591, 611–658, 748–751, 962, 1003–1085, 1187, 1216–1219, 1243–1245, 1284–1292, 1322–1329, 1351–1354, 1385–1400, 1427, 1433
vault.js	89.42	83.67	83.33	89.42	24, 34, 53–55, 84, 97, 106–110
utils	71.53	55.38	82.35	73.6
helper.js	71.53	55.38	82.35	73.6	9–16, 89–99, 132, 155, 167–169, 178–182, 203–205, 232, 250, 268, 331–363