fix(did_parser): Add readme and simple example (#1047) #6477

Job	Run time
workflow-setup	26s
workspace_clippy	3m 26s
aries_vcx_clippy (credx,vdrtools_wallet)	2m 14s
aries_vcx_core_clippy (credx,vdrtools_wallet)	1m 38s
aries_vcx_clippy (vdr_proxy_ledger)	4m 48s
aries_vcx_core_clippy (vdr_proxy_ledger)	1m 56s
verify-code-formatting	25s
test-unit-workspace	3m 29s
workflow-setup-check	1s
code-coverage-aries-vcx-integration-modular-libs	3m 0s
test-integration-aries-vcx	5m 7s
test-integration-aries-vcx-mysql	4m 52s
build-docker-vdrproxy	6s
test-integration-libvcx	3m 20s
x86_64-unknown-linux-gnu	6m 12s
test-integration-did-crate	3m 30s
x86_64-unknown-linux-musl	5m 59s
test-integration-node-wrapper (18.x)	9m 45s
x86_64-apple-darwin	7m 20s
aarch64-apple-darwin	27m 12s
test-integration-aries-vcx-vdrproxy	2m 31s
publish-docker-vdrproxy	4s
make-release	0s
publish-napi	0s
publish-node-wrapper	0s
publish-agent-core	0s
	1h 37m 21s

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