Created Adding and Hiding entities and devices (markdown)

Adding-and-Hiding-entities-and-devices.md

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+# Adding devices to areas
+
+You can add devices to an area by going to `Settings` found at the bottom of the sidebar.
+
+1. Click `Devices and integration`
+2. Select the integration of your device
+3. Click the device you wish to add
+4. Click the `pencil icon` found in the top right corner
+5. Enter an area in the area field.
+
+You can also set an entity of that device to a different area by going to the advanced settings of that entity.
+
+If you created an entity in your `configuration.yaml` you may need to enter a `unique_id` first before you set an area
+to it.
+See [docs](https://www.home-assistant.io/faq/unique_id/)
+
+# Hidding specific entities and devices
+
+When creating this dashboard for the first time, you probably have many entities that you don't want to see.
+
+You can hide these entities by following the steps below:
+
+1. Click and hold the entity
+2. Click the `cog icon` in the top right corner of the popup.
+3. Set `Visible` to `off`.
+
+The view should update when the page is refreshed.
+
+If you don't want to hide the entity from all dashboards, you can use [Card Options](#card-options) to hide specific
+entities and devices.
+
+![Views](./docs/Hidden.png)
+
+# Adding devices to areas
+
+You can add devices to an area by going to `Settings` found at the bottom of the sidebar.
+
+1. Click `Devices and integration`
+2. Select the integration of your device
+3. Click the device you wish to add
+4. Click the `pencil icon` found in the top right corner
+5. Enter an area in the area field.
+
+You can also set an entity of that device to a different area by going to the advanced settings of that entity.
+
+If you created an entity in your `configuration.yaml` you may need to enter a `unique_id` first before you set an area
+to it.
+See [docs](https://www.home-assistant.io/faq/unique_id/)