Created Settings (markdown)

Settings.md

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+# Configuration
+
+The `settings.yaml` file allows you to define application level options.
+
+
+## Providers
+
+The `providers` section allows you to define shared API provider options and secrets.  Currently this allows you to define your weather API keys in secret.
+
+```yaml
+providers:
+  openweathermap: openweathermapapikey
+  weatherapi: weatherapiapikey
+```
+
+You can then pass `provider` instead of `apiKey` in your widget configuration.
+
+```yaml
+- weather:
+    latitude: 50.449684
+    longitude: 30.525026
+    provider: weatherapi
+```