docs/config/network: add flowchart

Signed-off-by: Akihiro Suda <[email protected]>

Author: AkihiroSuda

website/content/en/docs/Config/Network/_index.md

@@ -3,7 +3,19 @@ title: Network
 weight: 30
 ---
 
-## user-mode network (192.168.5.0/24)
+See the following flowchart to choose the best network for you:
+```mermaid
+flowchart
+  connect_to_vm_via{"Connect to the VM via"} -- "localhost" --> default["Default"]
+  connect_to_vm_via -- "IP" --> connect_from{"Connect to the VM IP from"}
+  connect_from -- "Host" --> vm{"VM type"}
+  vm -- "vz" --> vzNAT["vzNAT"]
+  vm -- "qemu" --> shared["socket_vmnet (shared)"]
+  connect_from -- "Other VMs" --> userV2["user-v2"]
+  connect_from -- "Other hosts" --> bridged["socket_vmnet (bridged)"]
+```
+
+## Default user-mode network (192.168.5.0/24)
 
 By default Lima only enables the user-mode networking aka "slirp".