(doc) Update the VM.build flowchart, include it where useful for context (xapi-project#6301)

Merge a small, duplicated flowchart into one and include it where useful
for context.

Author: psafont

doc/content/xenopsd/walkthroughs/VM.build/VM_build-chart.md

@@ -0,0 +1,27 @@
+---
+hidden: true
+title: VM_build micro-op flowchart
+description: For inclusion in _index.md and VM_build.md
+weight: 10
+---
+
+```mermaid
+flowchart
+subgraph xenopsd VM_build[xenopsd: VM_build micro#8209;op]
+direction LR
+VM_build --> VM.build
+VM.build --> VM.build_domain
+VM.build_domain --> VM.build_domain_exn
+VM.build_domain_exn --> Domain.build
+click VM_build "
+https://github.com/xapi-project/xen-api/blob/83555067/ocaml/xenopsd/lib/xenops_server.ml#L2255-L2271" _blank
+click VM.build "
+https://github.com/xapi-project/xen-api/blob/83555067/ocaml/xenopsd/xc/xenops_server_xen.ml#L2290-L2291" _blank
+click VM.build_domain "
+https://github.com/xapi-project/xen-api/blob/83555067/ocaml/xenopsd/xc/xenops_server_xen.ml#L2250-L2288" _blank
+click VM.build_domain_exn "
+https://github.com/xapi-project/xen-api/blob/83555067/ocaml/xenopsd/xc/xenops_server_xen.ml#L2024-L2248" _blank
+click Domain.build "
+https://github.com/xapi-project/xen-api/blob/83555067/ocaml/xenopsd/xc/domain.ml#L1111-L1210" _blank
+end
+```

doc/content/xenopsd/walkthroughs/VM.build/VM_build.md

@@ -3,6 +3,8 @@ title: VM_build micro-op
 linkTitle: VM_build μ-op
 description: Overview of the VM_build μ-op (runs after the VM_create μ-op created the domain).
 weight: 10
+mermaid:
+  force: true
 ---
 
 ## Overview
@@ -23,21 +25,7 @@ which calls
 [VM.build_domain_exn](https://github.com/xapi-project/xen-api/blob/master/ocaml/xenopsd/xc/xenops_server_xen.ml#L2024-L2248)
 which calls [Domain.build](Domain.build):
 
-```mermaid
-flowchart
-subgraph xenopsd VM_build[xenopsd VM_build micro#8209;op]
-direction LR
-VM_build --> VM.build
-VM.build --> VM.build_domain
-VM.build_domain --> VM.build_domain_exn
-VM.build_domain_exn --> Domain.build
-click VM_build "https://github.com/xapi-project/xen-api/blob/master/ocaml/xenopsd/lib/xenops_server.ml#L2255-L2271" _blank
-click VM.build "https://github.com/xapi-project/xen-api/blob/master/ocaml/xenopsd/xc/xenops_server_xen.ml#L2290-L2291" _blank
-click VM.build_domain "https://github.com/xapi-project/xen-api/blob/master/ocaml/xenopsd/xc/xenops_server_xen.ml#L2250-L2288" _blank
-click VM.build_domain_exn "https://github.com/xapi-project/xen-api/blob/master/ocaml/xenopsd/xc/xenops_server_xen.ml#L2024-L2248" _blank
-click Domain.build "../Domain.build/index.html"
-end
-```
+{{% include "VM_build-chart.md" %}}
 
 The function
 [VM.build_domain_exn](https://github.com/xapi-project/xen-api/blob/master/ocaml/xenopsd/xc/xenops_server_xen.ml#L2024)

doc/content/xenopsd/walkthroughs/VM.build/_index.md

@@ -2,23 +2,11 @@
 title: Building a VM
 description: After VM_create, VM_build builds the core of the domain (vCPUs, memory)
 weight: 20
+mermaid:
+   force: true
 ---
+{{% include "VM_build-chart.md" %}}
 
 Walk-through documents for the `VM_build` phase:
 
-```mermaid
-flowchart
-subgraph xenopsd VM_build[xenopsd VM_build micro#8209;op]
-direction LR
-VM_build --> VM.build
-VM.build --> VM.build_domain
-VM.build_domain --> VM.build_domain_exn
-VM.build_domain_exn --> Domain.build
-click VM_build "https://github.com/xapi-project/xen-api/blob/master/ocaml/xenopsd/lib/xenops_server.ml#L2255-L2271" _blank
-click VM.build "https://github.com/xapi-project/xen-api/blob/master/ocaml/xenopsd/xc/xenops_server_xen.ml#L2290-L2291" _blank
-click VM.build_domain "https://github.com/xapi-project/xen-api/blob/master/ocaml/xenopsd/xc/xenops_server_xen.ml#L2250-L2288" _blank
-click VM.build_domain_exn "https://github.com/xapi-project/xen-api/blob/master/ocaml/xenopsd/xc/xenops_server_xen.ml#L2024-L2248" _blank
-end
-```
-
 {{% children description=true %}}