terraform-show: add page (#21299)

Signed-off-by: Emmanuel Ferdman <emmanuelferdman@gmail.com>

pages/common/terraform-show.md

@@ -0,0 +1,28 @@
+# terraform show
+
+> Read and output a Terraform state or plan file in human-readable form.
+> More information: <https://developer.hashicorp.com/terraform/cli/commands/show>.
+
+- Show the current state:
+
+`terraform show`
+
+- Show a specific state file:
+
+`terraform show {{path/to/terraform.tfstate}}`
+
+- Show a specific plan file:
+
+`terraform show {{path/to/file.tfplan}}`
+
+- Output in JSON format:
+
+`terraform show -json`
+
+- Output a plan file in JSON format:
+
+`terraform show -json {{path/to/file.tfplan}}`
+
+- Write to a file without color codes:
+
+`terraform show -no-color > {{path/to/file}}`