terraform-plan: add page (#7406)

pages/common/terraform-plan.md

@@ -0,0 +1,32 @@
+# terraform plan
+
+> Generate and show Terraform execution plans.
+> More information: <https://www.terraform.io/docs/cli/commands/plan.html>.
+
+- Generate and show the execution plan in the currently directory:
+
+`terraform plan`
+
+- Show a plan to destroy all remote objects that currently exist:
+
+`terraform plan -destroy`
+
+- Show a plan to update the Terraform state and output values:
+
+`terraform plan -refresh-only`
+
+- Specify values for input variables:
+
+`terraform plan -var '{{name1}}={{value1}}' -var '{{name2}}={{value2}}'`
+
+- Focus Terraform's attention on only a subset of resources:
+
+`terraform plan -target {{resource_type.resource_name[instance index]}}`
+
+- Output a plan as JSON:
+
+`terraform plan -json`
+
+- Write a plan to a specific file:
+
+`terraform plan -no-color > {{path/to/file}}`