First commit with entire first rendition of the project

config.example.yaml

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+# Copy this file to config.yaml and fill in your settings.
+# spectra searches for config.yaml in order:
+#   1. $PWD/config.yaml
+#   2. ~/.config/spectra/config.yaml
+#   3. /etc/spectra/config.yaml
+# Or pass a custom path with: spectra -c /path/to/config.yaml
+
+unsplash:
+  # Required: register at https://unsplash.com/developers
+  access_key: ""
+  # Optional filters
+  query: ""
+  collections: ""
+
+display:
+  saturation: 0.5
+  # Physical orientation in degrees: 0, 90, 180, 270
+  orientation: 0
+  resolution:
+    width: 1600
+    height: 1200
+
+schedule:
+  interval_hours: 1
+  random_delay_seconds: 300
+
+mqtt:
+  enabled: false
+  broker: localhost
+  port: 1883
+  topic_prefix: spectra
+  client_id: spectra-display
+  username: ""
+  password: ""