Weatherbard app (#3021)

* Add Weatherbard app

* Update weatherbard star file with latest changes.

* Fix manifest: add summary and desc fields

* Fix API key handling and error fallback for Tidbyt app

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Co-authored-by: Marc Tkach <[email protected]>

Author: mgtkach

apps/weatherbard/README.md

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+# Weatherbard
+
+Weatherbard combines real-time weather data with poetic reflections drawn from a Mary Oliver–inspired tone. It turns your Tidbyt screen into a tranquil window onto the sky, inviting stillness and presence with each new update.
+
+## 🌤 What It Does
+
+- Fetches current weather for your location from OpenWeatherMap
+- Displays the temperature
+- Scrolls a poetic line or two that matches the weather mood
+
+## ⚙️ Configuration
+
+You can personalize Weatherbard in the Tidbyt app:
+
+- **Location**: Enter your city and country (e.g. `London,UK`, `Seattle,US`)
+- **Units**: Choose between Fahrenheit (`imperial`) and Celsius (`metric`)
+
+## 📖 Poetry Source
+
+All poetic lines are original compositions, written in the style of Mary Oliver and tailored to conditions like:
+
+- Clear
+- Clouds
+- Rain
+- Snow
+- Mist
+- Fog
+- Drizzle
+- Thunderstorm
+- Haze
+
+Each condition has 10–30 lines that rotate on each update.
+
+## 💡 Inspiration
+
+“Tell me, what is it you plan to do with your one wild and precious life?”  
+— Mary Oliver
+
+Weatherbard hopes to answer with one small, beautiful thing at a time.

apps/weatherbard/manifest.yaml

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+id: weatherbard
+name: Weatherbard
+summary: Poetic weather display
+desc: Weather and poetry together in the voice of Mary Oliver.
+author: mgtkach
+source_url: https://github.com/mgtkach/community/tree/main/apps/weatherbard
+config: true
+widgets:
+  - weatherbard.star
+preview: weatherbard.gif
+secrets:
+  - weather_api_key
+