Add install command for redis dependencies (#158)

* Update redis.mdx

gpg is missing on some minimal distro images

* add install command for needed dependencies

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Co-authored-by: Boy132 <Boy132@users.noreply.github.com>

Author: ZZitrus

docs/panel/advanced/redis.mdx

@@ -5,6 +5,7 @@
 To install Redis you first need add their repository.
 
 ```sh
+sudo apt install -y lsb-release curl gpg
 curl -fsSL https://packages.redis.io/gpg | sudo gpg --dearmor -o /usr/share/keyrings/redis-archive-keyring.gpg
 echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/redis.list
 ```