docs: improved data model docs (#11884)

* docs: improved data model docs

* fix build errors

www/apps/resources/app/examples/page.mdx

@@ -1063,7 +1063,7 @@ const MyCustom = model.define("my_custom", {
 })
 ```
 
-Learn more in [this documentation](!docs!/learn/fundamentals/data-models/property-types).
+Learn more in [this documentation](!docs!/learn/fundamentals/data-models/properties).
 
 ### Set Primary Key
 
@@ -1106,7 +1106,7 @@ const MyCustom = model.define("my_custom", {
 export default MyCustom
 ```
 
-Learn more in [this documentation](!docs!/learn/fundamentals/data-models/primary-key).
+Learn more in [this documentation](!docs!/learn/fundamentals/data-models/properties#set-primary-key-property).
 
 ### Default Property Value
 
@@ -1128,7 +1128,7 @@ const MyCustom = model.define("my_custom", {
 export default MyCustom
 ```
 
-Learn more in [this documentation](!docs!/learn/fundamentals/data-models/configure-properties).
+Learn more in [this documentation](!docs!/learn/fundamentals/data-models/properties#property-default-value).
 
 ### Nullable Property
 
@@ -1145,7 +1145,7 @@ const MyCustom = model.define("my_custom", {
 export default MyCustom
 ```
 
-Learn more in [this documentation](!docs!/learn/fundamentals/data-models/configure-properties#nullable-property).
+Learn more in [this documentation](!docs!/learn/fundamentals/data-models/properties#make-property-optional).
 
 ### Unique Property
 
@@ -1162,7 +1162,7 @@ const User = model.define("user", {
 export default User
 ```
 
-Learn more in [this documentation](!docs!/learn/fundamentals/data-models/configure-properties#unique-property).
+Learn more in [this documentation](!docs!/learn/fundamentals/data-models/properties#unique-property).
 
 ### Define Database Index on Property
 
@@ -1181,7 +1181,7 @@ const MyCustom = model.define("my_custom", {
 export default MyCustom
 ```
 
-Learn more in [this documentation](!docs!/learn/fundamentals/data-models/index#define-database-index-on-property).
+Learn more in [this documentation](!docs!/learn/fundamentals/data-models/properties#define-database-index-on-property).
 
 ### Define Composite Index on Data Model
 
@@ -1208,7 +1208,7 @@ const MyCustom = model.define("my_custom", {
 export default MyCustom
 ```
 
-Learn more in [this documentation](!docs!/learn/fundamentals/data-models/index#define-database-index-on-data-model).
+Learn more in [this documentation](!docs!/learn/fundamentals/data-models/index).
 
 ### Make a Property Searchable
 
@@ -1239,7 +1239,7 @@ const myCustoms = await helloModuleService.listMyCustoms({
 })
 ```
 
-Learn more in [this documentation](!docs!/learn/fundamentals/data-models/searchable-property).
+Learn more in [this documentation](!docs!/learn/fundamentals/data-models/properties#searchable-property).
 
 ### Create One-to-One Relationship