Add docker network to docs

docs/reference/schema.md

@@ -47,6 +47,7 @@ services:
 name: myapplication
 registry: exampleuser
 namespace: examplenamespace
+network: examplenetwork
 services:
 ```
 
@@ -77,6 +78,12 @@ The namespace specified in `tye.yaml` can be overridden at the command line.
 
 > :bulb: Use `kubectl config view --minify --output 'jsonpath={..namespace}'` to view the current namespace.
 
+#### `network` (string)
+
+Allows configuring the Docker network used for `tye run`. 
+
+If a network is configured, then all services running in containers will connect to the specified network. Otherwise a Docker network will be created with a generated name, and used to connect all containers.
+
 #### `services` (`Service[]`) *required*
 
 Specifies the list of services. Applications must have at least one service.

src/schema/tye-schema.json

@@ -17,6 +17,10 @@
             "description": "The Kubernetes namespace to use.",
             "type": "string"
         },
+        "network": {
+            "description": "The Docker network to use.",
+            "type": "string"
+        },
         "services": {
             "description": "The application's services.",
             "type": "array",