Add readme

README.md

@@ -0,0 +1,78 @@
+# lovelace_gen
+
+`configuration.yaml`
+```yaml
+lovelace_gen:
+```
+
+Regenerate by using the "Refresh" function in lovelace.
+
+![refresh](https://user-images.githubusercontent.com/1299821/62565489-2e655780-b887-11e9-86a1-2de868a4dc7d.png)
+
+## Example
+`ui_lovelace.yaml`
+```yaml
+resources:
+  # When you regenerate, the browser cache for this file will be invalidated
+  - url: !file /local/card-mod.js
+    type: module
+...
+
+views:
+ - ! include lovelace/my_cool_view.yaml
+```
+
+`lovelace/my_cool_view.yaml`
+```yaml
+{% set my_lights = ["light.bed_light", "light.kitchen_lights", "light.ceiling_lights"] %}
+title: My view
+cards:
+  - type: entities
+    entities:
+{% for light in my_lights %}
+      - {{ light }}
+{% endfor %}
+
+  # Include files with arguments
+  # NB: JSON format for arguments
+  # And NO SPACE after the colons!
+  - !include floorplan.yaml {"lamps":"true", "title":"With Lamps"}
+
+# Use this if you want lovelace_gen to ignore the jinja
+{% raw %}
+  - type: markdown
+    content: |
+      # Coming soon(?)
+
+      A built-inmarkdown card with jinja templating.
+      So I can tell that my light is {{ states('light.bed_light') }}!
+{% endraw %}
+
+  - !include floorplan.yaml {"title":"No lights"}
+```
+
+`lovelace/floorplan.yaml`
+```yaml
+{% macro lamp(entity, x, y) -%}
+{% if lamps %}
+- type: state-icon
+  entity: {{ entity }}
+{% else %}
+- type: custom:gap-card
+{% endif %}
+  style:
+    left: {{ x }}%
+    top: {{ y }}%
+{%- endmacro %}
+
+type: picture-elements
+title: {{ title }}
+image: https://placekitten.com/800/600
+elements:
+  {{ lamp('light.bed_light', 25, 25) }}
+  {{ lamp('light.kitchen_lights', 50, 25) }}
+  {{ lamp('light.ceiling_lights', 50, 50) }}
+```
+
+![lovelace_gen](https://user-images.githubusercontent.com/1299821/62565373-ecd4ac80-b886-11e9-9dcb-c41b43027b2b.png)
+