Adding Cedalo Case Study to Resources page

Created by: jph152

We'd like to add a link to the Cedalo case study under the Case Studies section of https://iot.eclipse.org/community/resources/

Here is the case study landing page: https://outreach.eclipse.foundation/cedalo-iot-open-source-case-study

SEO title: Cedalo Finds New Opportunities and Technology Partners in the Eclipse IoT Ecosystem

Description: Companies focused on IoT development are benefiting from Eclipse Foundation membership. Download your copy of the case study to learn more.

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