Fix Docker button, add PikaPods as automated install option (#4351)

* Fix Docker icon, add PikaPods install option

* Use same button size

* Force button refresh

* French version

* Docker logo

* Remove image

Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>

.markdownlint.json

@@ -6,7 +6,7 @@
 	"line-length": false,
 	"no-hard-tabs": false,
 	"no-inline-html": {
-		"allowed_elements": ["br", "kbd"]
+		"allowed_elements": ["br", "img", "kbd"]
 	},
 	"no-multiple-blanks": {
 		"maximum": 2

README.fr.md

@@ -65,9 +65,10 @@ Si vous voulez une publication continue (rolling release) avec les dernières no
 
 ## Installation automatisée
 
-* [![Docker](https://www.docker.com/sites/default/files/horizontal.png)](./Docker/)
+* [<img src="https://www.docker.com/wp-content/uploads/2022/03/horizontal-logo-monochromatic-white.png" width="200" alt="Docker" />](./Docker/)
 * [![YunoHost](https://install-app.yunohost.org/install-with-yunohost.png)](https://install-app.yunohost.org/?app=freshrss)
 * [![Cloudron](https://cloudron.io/img/button.svg)](https://cloudron.io/button.html?app=org.freshrss.cloudronapp)
+* [![PikaPods](https://www.pikapods.com/static/run-button-34.svg)](https://www.pikapods.com/pods?run=freshrss)
 
 ## Installation manuelle
 

README.md

@@ -65,9 +65,10 @@ If you want a rolling release with the newest features, or want to help testing
 
 ## Automated install
 
-* [![Docker](https://www.docker.com/sites/default/files/horizontal.png)](./Docker/)
+* [<img src="https://www.docker.com/wp-content/uploads/2022/03/horizontal-logo-monochromatic-white.png" width="200" alt="Docker" />](./Docker/)
 * [![YunoHost](https://install-app.yunohost.org/install-with-yunohost.png)](https://install-app.yunohost.org/?app=freshrss)
 * [![Cloudron](https://cloudron.io/img/button.svg)](https://cloudron.io/button.html?app=org.freshrss.cloudronapp)
+* [![PikaPods](https://www.pikapods.com/static/run-button-34.svg)](https://www.pikapods.com/pods?run=freshrss)
 
 ## Manual install