refactor: moving some stuff

containers.v

@@ -1,7 +1,6 @@
 module docker
 
 import time
-import net.http
 import types { ContainerListItem }
 
 [params]

images.v

@@ -1,6 +1,5 @@
 module docker
 
-import net.http
 import types { Image }
 
 pub fn (mut d DockerConn) image_inspect(image string) !Image {

types/volume.v

@@ -0,0 +1,22 @@
+module types
+
+import time
+
+pub struct UsageData {
+	size      int [json: Size]
+	ref_count int [json: RefCount]
+}
+
+pub struct Volume {
+pub mut:
+	created_at_str string            [json: CreatedAt]
+	created_at     time.Time         [skip]
+	name           string            [json: Name]
+	driver         string            [json: Driver]
+	mountpoint     string            [json: Mountpoint]
+	status         map[string]string [json: Status]
+	labels         map[string]string [json: Labels]
+	scope          string            [json: Scope]
+	options        map[string]string [json: Options]
+	usage_data     UsageData         [json: UsageData]
+}

volumes.v

@@ -1,26 +1,7 @@
 module docker
 
-import net.http
 import time
-
-struct UsageData {
-	size      int [json: Size]
-	ref_count int [json: RefCount]
-}
-
-struct Volume {
-	created_at_str string [json: CreatedAt]
-pub mut:
-	created_at time.Time         [skip]
-	name       string            [json: Name]
-	driver     string            [json: Driver]
-	mountpoint string            [json: Mountpoint]
-	status     map[string]string [json: Status]
-	labels     map[string]string [json: Labels]
-	scope      string            [json: Scope]
-	options    map[string]string [json: Options]
-	usage_data UsageData         [json: UsageData]
-}
+import types { Volume }
 
 [params]
 pub struct VolumeListFilter {