samples: add code snippets for Service Directory. (#28)

README.md

@@ -89,6 +89,22 @@ use this Service Directory Client Library.
 
 
 
+## Samples
+
+Samples are in the [`samples/`](https://github.com/googleapis/java-servicedirectory/tree/master/samples) directory. The samples' `README.md`
+has instructions for running the samples.
+
+| Sample                      | Source Code                       | Try it |
+| --------------------------- | --------------------------------- | ------ |
+| Endpoints Create | [source code](https://github.com/googleapis/java-servicedirectory/blob/master/samples/snippets/src/main/java/com/example/servicedirectory/EndpointsCreate.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-servicedirectory&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/servicedirectory/EndpointsCreate.java) |
+| Endpoints Delete | [source code](https://github.com/googleapis/java-servicedirectory/blob/master/samples/snippets/src/main/java/com/example/servicedirectory/EndpointsDelete.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-servicedirectory&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/servicedirectory/EndpointsDelete.java) |
+| Namespaces Create | [source code](https://github.com/googleapis/java-servicedirectory/blob/master/samples/snippets/src/main/java/com/example/servicedirectory/NamespacesCreate.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-servicedirectory&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/servicedirectory/NamespacesCreate.java) |
+| Namespaces Delete | [source code](https://github.com/googleapis/java-servicedirectory/blob/master/samples/snippets/src/main/java/com/example/servicedirectory/NamespacesDelete.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-servicedirectory&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/servicedirectory/NamespacesDelete.java) |
+| Services Create | [source code](https://github.com/googleapis/java-servicedirectory/blob/master/samples/snippets/src/main/java/com/example/servicedirectory/ServicesCreate.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-servicedirectory&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/servicedirectory/ServicesCreate.java) |
+| Services Delete | [source code](https://github.com/googleapis/java-servicedirectory/blob/master/samples/snippets/src/main/java/com/example/servicedirectory/ServicesDelete.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-servicedirectory&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/servicedirectory/ServicesDelete.java) |
+| Services Resolve | [source code](https://github.com/googleapis/java-servicedirectory/blob/master/samples/snippets/src/main/java/com/example/servicedirectory/ServicesResolve.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-servicedirectory&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/servicedirectory/ServicesResolve.java) |
+
+
 
 ## Troubleshooting
 

synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-servicedirectory.git",
-        "sha": "8da469640e64b051ef4446838b32489be7cfc351"
+        "sha": "55626b40261a34c5d170adc1cc942624093a0815"
       }
     },
     {
@@ -19,8 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "85cbc7f954f4c4c3534f0caafbaed22a8f80f602",
-        "log": "85cbc7f954f4c4c3534f0caafbaed22a8f80f602\nfix: use https vcs install for python-test-utils (#492)\n\n\n52638600f387deb98efb5f9c85fec39e82aa9052\nbuild(java): set GOOGLE_CLOUD_PROJECT env for samples/integration tests (#484)\n\n* build(java): set GOOGLE_CLOUD_PROJECT env variable for samples/integration tests\n\n* ci: use java-docs-samples-testing for sample tests\n3df869dd6eb546ef13beeb7a9efa6ee0226afafd\nci: add dependency list completeness check (#490)\n\n\n682c0c37d1054966ca662a44259e96cc7aea4413\nbuild(nodejs): update lint ignore rules (#488)\n\n\n97c7ccfdceb927db1cbe6f3bb09616aa02bafd89\ndoc: document context-aware commit flags (#481)\n\nAlso, delete obsolete blurb about cleaning up old, dead files.\n\nCo-authored-by: Jeff Ching <[email protected]>\n8eff3790f88b50706a0c4b6a20b385f24e9ac4e7\nfeat: common postprocessing for node libraries (#485)\n\nCo-authored-by: Justin Beckwith <[email protected]>\n21c3b57ae54ae9db6a3a6b48b31c970c6ab56f19\nbuild(nodejs): remove unused codecov config (#486)\n\n\n6f32150677c9784f3c3a7e1949472bd29c9d72c5\nfix: installs test_utils from its common repo (#480)\n\n\n74ce986d3b5431eb66985e9a00c4eb45295a4020\nfix: stop recording update_time in synth.metadata (#478)\n\n\n"
+        "sha": "85cbc7f954f4c4c3534f0caafbaed22a8f80f602"
       }
     }
   ],