Beta release notes for 0.109 (#13122)

* Beta release notes for 0.109

* Correct release date

* Tweak post date so it shows up on preview builds

* Frontend

* Add initial blog post for 0.109

* Add missing ha_domain to openerz

* Add screenshot of I/O log entry

* Add breaking changes description

* Breaking changes section tweaks for 0.109

* Update I/O screenshot in breaking change

* Add missing ha_domain to atag

* Add social & components image for 0.109

* Small tweak

Co-authored-by: Bram Kragten <mail@bramkragten.nl>
Co-authored-by: cogneato <cogneato@gmail.com>

_config.yml

@@ -100,9 +100,9 @@ social:
 
 # Home Assistant release details
 current_major_version: 0
-current_minor_version: 108
-current_patch_version: 8
-date_released: 2020-04-22
+current_minor_version: 109
+current_patch_version: 0
+date_released: 2020-04-29
 
 # Either # or the anchor link to latest release notes in the blog post.
 # Must be prefixed with a # and have double quotes around it.

source/_integrations/atag.markdown

@@ -7,6 +7,7 @@ ha_category:
   - Sensor
 ha_release: 0.109
 ha_iot_class: Local Polling
+ha_domain: atag
 ---
 
 The `Atag` integration allows Home Assistant to connect to [Atag One](https://atag-one.com) thermostats, reporting and setting its status.

source/_integrations/openerz.markdown

@@ -5,6 +5,7 @@ ha_category:
   - Sensor
 ha_release: 0.109
 ha_iot_class: Cloud Polling
+ha_domain: openerz
 ---
 
 This `openerz` sensor platform uses [OpenERZ](http://openerz.metaodi.ch/) API to access data from Entsorgung und Recycling Zürich (ERZ). It reports the next pickup date for the specified zip and waste type.