docs: fix indentation in installation section list

docs/index.md

@@ -26,14 +26,14 @@ k3d makes it very easy to create single- and multi-node [k3s](https://github.com
 You have several options there:
 
 - use the install script to grab the latest release:
-  - wget: `#!bash wget -q -O - https://raw.githubusercontent.com/rancher/k3d/master/install.sh | bash`
-  - curl: `#!bash curl -s https://raw.githubusercontent.com/rancher/k3d/master/install.sh | bash`
+    - wget: `#!bash wget -q -O - https://raw.githubusercontent.com/rancher/k3d/master/install.sh | bash`
+    - curl: `#!bash curl -s https://raw.githubusercontent.com/rancher/k3d/master/install.sh | bash`
 - use the install script to grab a specific release (via `TAG` environment variable):
-  - wget: `#!bash wget -q -O - https://raw.githubusercontent.com/rancher/k3d/master/install.sh | TAG=v3.0.0-beta.0 bash`
-  - curl: `#!bash curl -s https://raw.githubusercontent.com/rancher/k3d/master/install.sh | TAG=v3.0.0-beta.0 bash`
+    - wget: `#!bash wget -q -O - https://raw.githubusercontent.com/rancher/k3d/master/install.sh | TAG=v3.0.0-beta.0 bash`
+    - curl: `#!bash curl -s https://raw.githubusercontent.com/rancher/k3d/master/install.sh | TAG=v3.0.0-beta.0 bash`
 
 - use [Homebrew](https://brew.sh): `#!bash brew install k3d` (Homebrew is available for MacOS and Linux)
-  - Formula can be found in [homebrew/homebrew-core](https://github.com/Homebrew/homebrew-core/blob/master/Formula/k3d.rb) and is mirrored to [homebrew/linuxbrew-core](https://github.com/Homebrew/linuxbrew-core/blob/master/Formula/k3d.rb)
+    - Formula can be found in [homebrew/homebrew-core](https://github.com/Homebrew/homebrew-core/blob/master/Formula/k3d.rb) and is mirrored to [homebrew/linuxbrew-core](https://github.com/Homebrew/linuxbrew-core/blob/master/Formula/k3d.rb)
 - install via [AUR](https://aur.archlinux.org/) package [rancher-k3d-bin](https://aur.archlinux.org/packages/rancher-k3d-bin/): `yay -S rancher-k3d-bin`
 - grab a release from the [release tab](https://github.com/rancher/k3d/releases) and install it yourself.
 - install via go: `#!bash go install github.com/rancher/k3d` (**Note**: this will give you unreleased/bleeding-edge changes)