Updated hydroServer.md

docs/products/HydroServer/hydroServer.md

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 # HydroServer
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+HydroServer is Open Source web application to collect and manage the operational hydrologic data.
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+It is a web application built with Django that allows users to view and analyze hydrologic data. The application uses TimescaleDB, an open-source time-series database, to store and manage large amounts of hydrologic data.
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+Source Code:  https://github.com/hydroserver2/
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+Dev URL: hydroserver-dev.ciroh.org
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