docs(installation): Add Portainer installation and upgrade steps (#651)

* Change general config icon

* Update package.json

* Add portainer installation documentation

---------

Co-authored-by: Elias Schneider <login@eliasschneider.com>

docs/docs/setup/installation.md

@@ -11,6 +11,16 @@ id: installation
 
 The website is now listening on `http://localhost:3000`, have fun with Pingvin Share 🐧!
 
+### Installation with Portainer
+
+1. In the **Stacks** menu, click the **Add stack** button
+2. Give you stack a name (ex. pingvinshare)
+3. In the web editor, paste the content of the [docker-compose](https://github.com/stonith404/pingvin-share/blob/main/docker-compose.yml) file.
+4. Edit the external port and the environment variables (optional).
+5. Click on **Deploy the stack**.
+
+Your container is now listening on `http://localhost:<externalport>`, have fun with Pingvin Share 🐧!
+
 ### Stand-alone Installation
 
 Required tools:

docs/docs/setup/oauth2login.md

@@ -40,7 +40,7 @@ Redirect URL: `https://<your-domain>/api/oauth/callback/discord`
 
 ### OpenID Connect
 
-Generic OpenID Connect provider is also supported, we have tested it on Keycloak, Authentik and Casdoor.
+Generic OpenID Connect provider is also supported, we have tested it on Keycloak, Authentik, Casdoor and [Pocket ID](https://github.com/stonith404/pocket-id).
 
 Redirect URI: `https://<your-domain>/api/oauth/callback/oidc`
 

docs/docs/setup/upgrading.md

@@ -14,6 +14,11 @@ As Pingvin Share is in early stage, see the release notes for breaking changes b
 docker compose pull
 docker compose up -d
 ```
+### Portainer
+
+1. In your container page, click on Recreate.
+2. Check the Re-Pull image toggle.
+3. Click on Recreate.
 
 #### Stand-alone