Add 'list' option to cli

[jmthomas]

closes #798

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[jmthomas]

Output looks like:

jmthomas@Jasons-Air-2 cosmos % OPENC3_API_HOSTNAME=127.0.0.1 OPENC3_API_PORT=2900 OPENC3_API_PASSWORD=password ruby -Iopenc3/lib openc3/bin/openc3cli list
openc3-cosmos-demo-5.15.3.pre.beta0.20240413170227.gem__20240413170318
openc3-cosmos-tool-admin-5.15.3.pre.beta0.20240413170103.gem__20240413170315
openc3-cosmos-tool-bucketexplorer-5.15.3.pre.beta0.20240413170126.gem__20240413170338
openc3-cosmos-tool-cmdsender-5.15.3.pre.beta0.20240413170158.gem__20240413170325
openc3-cosmos-tool-cmdtlmserver-5.15.3.pre.beta0.20240413170228.gem__20240413170323
openc3-cosmos-tool-dataextractor-5.15.3.pre.beta0.20240413170052.gem__20240413170334
openc3-cosmos-tool-dataviewer-5.15.3.pre.beta0.20240413170118.gem__20240413170335
openc3-cosmos-tool-docs-5.15.3.pre.beta0.20240413170207.gem__20240413170340
openc3-cosmos-tool-handbooks-5.15.3.pre.beta0.20240413170209.gem__20240413170336
openc3-cosmos-tool-iframe-5.15.3.pre.beta0.20240413170141.gem__20240413170314
openc3-cosmos-tool-limitsmonitor-5.15.3.pre.beta0.20240413170236.gem__20240413170324
openc3-cosmos-tool-packetviewer-5.15.3.pre.beta0.20240413170050.gem__20240413170329
openc3-cosmos-tool-scriptrunner-5.15.3.pre.beta0.20240413170201.gem__20240413170327
openc3-cosmos-tool-tablemanager-5.15.3.pre.beta0.20240413170250.gem__20240413170337
openc3-cosmos-tool-tlmgrapher-5.15.3.pre.beta0.20240413170052.gem__20240413170333
openc3-cosmos-tool-tlmviewer-5.15.3.pre.beta0.20240413170124.gem__20240413170331
openc3-tool-base-5.15.3.pre.beta0.20240413170024.gem__20240413170312