Merge driver did empe (#513)

* feat: add empe driver

* chore: add env variables for driver-did-empe

* fix: use quotes for JSON value in config

* fix: use DID_METHODS as env variable name

* fix: use correct DID_METHODS in .env file

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Co-authored-by: denerev <denerev68@gmail.com>

Author: BernhardFuchs

.env

@@ -67,4 +67,6 @@ uniresolver_driver_did_quarkid_node_threadpool_size=240000
 
 uniresolver_driver_did_near_contract_id=neardti.testnet
 uniresolver_driver_did_near_rpc_url=https://rpc.testnet.near.org
-uniresolver_driver_did_near_network_id=testnet
+uniresolver_driver_did_near_network_id=testnet
+
+DID_METHODS=[{"method":"empe","network":"testnet","url":"https://rpc-testnet.empe.io"},{"method":"empe","url":"https://rpc.empe.io"}]