fix(did_parser): Add readme and simple example (#1047) (#1051) #6483

Job	Run time
aries_vcx_clippy (credx,vdrtools_wallet)	2m 24s
aries_vcx_core_clippy (credx,vdrtools_wallet)	2m 46s
aries_vcx_clippy (vdr_proxy_ledger)	4m 44s
aries_vcx_core_clippy (vdr_proxy_ledger)	4m 1s
verify-code-formatting	25s
workspace_clippy	3m 20s
workflow-setup	44s
build-docker-vdrproxy	6s
test-integration-aries-vcx	3m 57s
code-coverage-aries-vcx-integration-modular-libs	2m 48s
x86_64-unknown-linux-gnu	2m 54s
x86_64-unknown-linux-musl	5m 48s
test-integration-did-crate	2m 45s
x86_64-apple-darwin	8m 0s
test-integration-aries-vcx-mysql	2m 13s
aarch64-apple-darwin	28m 6s
test-integration-libvcx	1m 51s
test-integration-node-wrapper (18.x)	5m 51s
test-unit-workspace	3m 43s
workflow-setup-check	1s
test-integration-aries-vcx-vdrproxy	2m 14s
publish-docker-vdrproxy	6s
make-release	0s
publish-napi	0s
publish-node-wrapper	0s
publish-agent-core	0s
	1h 28m 47s

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