Add package docs

Author: jhh

telemetry/packages.md

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+# Module telemetry
+
+# Package org.strykeforce.thirdcoast.telemetry
+
+Provides a data streaming service for robot sensors, actuators or subsystems. Documentation for client-server communication is [here](https://strykeforce.github.io/posts/thirdcoast-telemetry/).
+
+# Package org.strykeforce.thirdcoast.telemetry.item
+
+Robot sensors, actuators or subsystems that are telemetry-enabled.
+
+# Package org.strykeforce.thirdcoast.telemetry.grapher
+
+Support for Third Coast Telemetry Grapher client.
+
+# Package org.strykeforce.thirdcoast.telemetry.util
+
+Contains waveform generators for the Telemetry simulator development tool and other utility classes.