Add more docs examples on using droplet snapshots (#846)

docs/data-sources/droplet_snapshot.md

@@ -20,6 +20,24 @@ data "digitalocean_droplet_snapshot" "web-snapshot" {
 }
 ```
 
+Create image from snapshot:
+
+```hcl
+data "digitalocean_droplet_snapshot" "web-snapshot" {
+  name_regex  = "^web"
+  region      = "nyc3"
+  most_recent = true
+}
+
+resource "digitalocean_droplet" "from-snapshot" {
+  image  = data.digitalocean_droplet_snapshot.web-snapshot.id
+  name   = "web-02"
+  region = "nyc3"
+  size   = "s-2vcpu-4gb"
+}
+```
+
+
 ## Argument Reference
 
 * `name` - (Optional) The name of the Droplet snapshot.

docs/resources/droplet.md

@@ -24,7 +24,7 @@ resource "digitalocean_droplet" "web" {
 
 The following arguments are supported:
 
-* `image` - (Required) The Droplet image ID or slug.
+* `image` - (Required) The Droplet image ID or slug. This could be either image ID or droplet snapshot ID.
 * `name` - (Required) The Droplet name.
 * `region` - (Required) The region to start in.
 * `size` - (Required) The unique slug that indentifies the type of Droplet. You can find a list of available slugs on [DigitalOcean API documentation](https://docs.digitalocean.com/reference/api/api-reference/#tag/Sizes).

docs/resources/droplet_snapshot.md

@@ -20,6 +20,14 @@ resource "digitalocean_droplet_snapshot" "web-snapshot" {
   droplet_id = digitalocean_droplet.web.id
   name       = "web-snapshot-01"
 }
+
+
+resource "digitalocean_droplet" "from-snapshot" {
+  image  = digitalocean_droplet_snapshot.web-snapshot.id
+  name   = "web-02"
+  region = "nyc3"
+  size   = "s-2vcpu-4gb"
+}
 ```
 
 ## Argument Reference