[Edgex 3.0] Upgrade App Service Examples (minnesota-dev branch) to V3

[lenny-goodell]

Must do this on the on the minnesota-dev branch

Update the following custom app service examples .

• [x] simple-cbor-filter
• [x] simple-filter-xml
• [x] simple-filter-xml-http
• [x] simple-filter-xml-mqtt
• [x] advanced-filter-convert-publish
• [x] advanced-target-type
• [x] cloud-event
• [x] cloud-export-mqtt
• [x] custom-trigger
• [x] custom-trigger-nats-rpc
• [x] fledge-export
• [x] influxdb-export
• [x] json-logic
• [x] secrets
• [x] send-command
• [x] Camera Mgmt (waiting for Levski PR https://github.com/edgexfoundry/edgex-examples/pull/197 to merge)

And the following configurable examples:

• [x] app-service-configurable-ibm

Check them off as they are completed.

[marcpfuller]

cloud-event is done and merged(#200)

[marcpfuller]

PR created for cloud-export-mqtt (#201)

[marcpfuller]

PR created for custom_trigger (#202)

[marcpfuller]

PR created for custom_trigger nats rpc (#203)

[marcpfuller]

PR created for Fledge-export (#204)

[marcpfuller]

PR created for influx-export (#205)

[lenny-goodell]

Done with #214