docs: updates to use DML and other changes (#7834)

- Change existing data model guides and add new ones for DML
- Change module's docs around service factory + remove guides that are now necessary
- Hide/remove all mentions of module relationships, or label them as coming soon.
- Change all data model creation snippets to use DML
- use `property` instead of `field` when referring to a data model's properties.
- Fix all snippets in commerce module guides to use new method suffix (no more main model methods)
- Rework recipes, removing/hiding a lot of sections as a lot of recipes are incomplete with the current state of DML.


### Other changes

- Highlight fixes in some guides
- Remove feature flags guide
- Fix code block styles when there are no line numbers.

### Upcoming changes in other PRs

- Re-generate commerce module references (for the updates in the method names)
- Ensure that the data model references are generated correctly for models using DML.
- (probably at a very later point) revisit recipes

www/apps/book/sidebar.mjs

@@ -106,18 +106,10 @@ export const sidebar = sidebarAttachHrefCommonOptions(
               path: "/advanced-development/modules/service-factory",
               title: "Service Factory",
             },
-            {
-              path: "/advanced-development/modules/database-operations-in-services",
-              title: "Database Operations",
-            },
             {
               path: "/advanced-development/modules/options",
               title: "Module Options",
             },
-            {
-              path: "/advanced-development/modules/module-relationships",
-              title: "Module Relationships",
-            },
             {
               path: "/advanced-development/modules/remote-query",
               title: "Remote Query",
@@ -136,13 +128,37 @@ export const sidebar = sidebarAttachHrefCommonOptions(
           title: "Data Models",
           children: [
             {
-              path: "/advanced-development/data-models/common-definitions",
-              title: "Common Definitions",
+              path: "/advanced-development/data-models/property-types",
+              title: "Property Types",
+            },
+            {
+              path: "/advanced-development/data-models/configure-properties",
+              title: "Configure Properties",
+            },
+            {
+              path: "/advanced-development/data-models/primary-key",
+              title: "Primary Key",
+            },
+            {
+              path: "/advanced-development/data-models/relationships",
+              title: "Relationships",
+            },
+            {
+              path: "/advanced-development/data-models/relationship-cascades",
+              title: "Relationship Cascades",
+            },
+            {
+              path: "/advanced-development/data-models/indexes",
+              title: "Data Model Index",
             },
             {
               path: "/advanced-development/data-models/soft-deletable",
               title: "Soft-Deletable Models",
             },
+            {
+              path: "/advanced-development/data-models/searchable-property",
+              title: "Searchable Property",
+            },
           ],
         },
         {