Update installation.md

Fixed docker commands for v1.2

versioned_docs/version-1.2/installation.md

@@ -40,7 +40,7 @@ $LV_BRANCH='release-1.2/neovim-0.8'; Invoke-WebRequest https://raw.githubusercon
 _This is intended just to take a look at the base functionalities, so some interactions may be blocked by the environment._
 
 ```bash
-docker run -w /root -it --rm alpine:edge sh -uelic 'apk add git neovim ripgrep alpine-sdk python3 cargo bash --update && LV_BRANCH='release-1.2/neovim-0.8' bash <(curl -s https://raw.githubusercontent.com/lunarvim/lunarvim/fc6873809934917b470bff1b072171879899a36b/utils/installer/install.sh) --no-install-dependencies && /root/.local/bin/lvim'
+docker run -w /root -it --rm alpine:edge sh -uelic 'apk add git neovim ripgrep alpine-sdk python3 cargo bash curl --update && LV_BRANCH='release-1.2/neovim-0.8' bash <(curl -s https://raw.githubusercontent.com/lunarvim/lunarvim/fc6873809934917b470bff1b072171879899a36b/utils/installer/install.sh) --no-install-dependencies && /root/.local/bin/lvim'
 ```
 
 </TabItem>
@@ -72,7 +72,7 @@ Invoke-WebRequest https://raw.githubusercontent.com/LunarVim/LunarVim/master/uti
 _This is intended just to take a look at the base functionalities, so some interactions may be blocked by the environment._
 
 ```bash
-docker run -w /root -it --rm alpine:edge sh -uelic 'apk add git neovim ripgrep alpine-sdk python3 cargo bash --update && bash <(curl -s https://raw.githubusercontent.com/lunarvim/lunarvim/master/utils/installer/install.sh) --no-install-dependencies && /root/.local/bin/lvim'
+docker run -w /root -it --rm alpine:edge sh -uelic 'apk add git neovim ripgrep alpine-sdk python3 cargo bash curl --update && bash <(curl -s https://raw.githubusercontent.com/lunarvim/lunarvim/master/utils/installer/install.sh) --no-install-dependencies && /root/.local/bin/lvim'
 ```
 
 </TabItem>