Add Pawcast - Dog Walking Weather App

[JosephScharnweber]

A Tidbyt app that helps dog owners determine safe walking conditions based on current weather data. Pawcast displays temperature, humidity, heat index, and provides risk assessments for walking dogs in hot weather.

[tidbyt]

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	Test	Details
✅	App Dir	All files are in a single app directory
✅	Modules	Only safe modules, without side-effects, are loaded
✅	Original Author	The original author matches the PR author

[tidbyt-bot]

CLA Assistant Lite bot All contributors have signed the CLA ✍️ ✅

[JosephScharnweber]

I have read the CLA Document and I hereby sign the CLA

[danielsitnik]

Hey @JosephScharnweber, is this still a work in progress?

I'm asking because you have some config.get calls in the code, but you don't have the get_schema() function defined, so these calls aren't really doing anything.

From what I understood, the app doesn't use any APIs to get the weather info, the user should input the temperature and humidity in the configuration.. but since you don't have get_schema defined, it's always using the default value.