MetaStore: emphasize 'REQUIRED'

_metastore/documentation/installation/migration-guide/migration-guide.markdown

@@ -25,7 +25,7 @@ Add the new settings to 'application.properties' (if not recommended otherwise).
 If the values should not correspond to the default value, please add the adjusted values to 
 'config/application.properties'.
 
-### Versions
+## Versions
 - [v1.4.0](#v140)
 - [v1.3.0](#v130)
 - [v1.2.3](#v123)
@@ -35,13 +35,13 @@ If the values should not correspond to the default value, please add the adjuste
 - [v1.1.0](#v110)
 - [v1.0.1](#v101)
 
-### v1.4.0
-#### Settings
+## v1.4.0
+### Settings
 There are new configuration options inside the application.properties:
 
-- Configuration for proxy (search endpoints) (mandatory if search is enabled)
+#### Configuration for proxy (search endpoints) (mandatory if search is enabled)
 
-Due to a new feature in proxy library the below property is REQUIRED for 
+Due to a new feature in proxy library the below property is ***REQUIRED*** for 
 the search endpoints to work properly:
 ```
 ###############################################################################
@@ -50,7 +50,7 @@ the search endpoints to work properly:
 ###############################################################################
 spring.cloud.gateway.proxy.sensitive=content-length
 ```
- - Configuration landing page (optional)
+#### Configuration landing page (optional)
 
 It allows administrators to define an external landing page in case of an existing
 external WebUI:
@@ -74,7 +74,7 @@ external WebUI:
 metastore.schema.landingpage:/schema-landing-page?schemaId=$(id)&version=$(version)
 metastore.metadata.landingpage:/metadata-landing-page?id=$(id)&version=$(version)
 ```
- - Configuration credentials for RabbitMQ (optional)
+#### Configuration credentials for RabbitMQ (optional)
 
 Set credentials for RabbitMQ in case of RabbitMQ is public available and therefore
 default credentials are not valid:
@@ -89,13 +89,13 @@ repo.[...]
 ```
 
 
-### v1.3.0
+## v1.3.0
 
-#### System Requirements
+### System Requirements
 ATTENTION
 : MetaStore requires Java 17 or later. Java 8 and 11 are no longer supported. 
 
-#### Database changes
+### Database changes
 ATTENTION
 : There is a minor change in the database structure due to the upgrade to SpringBoot 3.
 
@@ -121,7 +121,7 @@ DATABASE=# SELECT pg_catalog.setval('public.linked_metadata_record_seq', MAX_ID,
 ```
 Replace DATABASE and MAX_ID with the values you determined. 
 
-#### Settings
+### Settings
 There is a new configuration option inside the application.properties:
 Default context path switched from '/' to '/metastore'
 In case of an update remove this line.
@@ -134,9 +134,9 @@ server.servlet.context-path=/metastore
 ATTENTION
 : This feature MUSTN'T change afterwards. 
 
-### v1.2.3
+## v1.2.3
 
-#### Settings
+### Settings
 There are new configuration options inside the application.properties:
 It allows administrators to define directory structure while storing
 metadata/schema documents.
@@ -161,9 +161,9 @@ repo.plugin.storage.id.maxDepth:7
 # default: @{year}/@{month}
 repo.plugin.storage.date.pathPattern:@{year}/@{month}
 ```
-### v1.2.2
+## v1.2.2
 
-#### Settings
+### Settings
 There is a new configuration option inside the application.properties:
 It allows administrators to run MetaStore service behind a proxy.
 ```
@@ -173,12 +173,12 @@ It allows administrators to run MetaStore service behind a proxy.
 #server.forward-headers-strategy=framework
 ```
 
-### v1.2.1
+## v1.2.1
 Nothing to migrate.
 
-### v1.2.0
+## v1.2.0
 
-#### Settings
+### Settings
 There is a new configuration option inside the application.properties:
 Add actuators for info and health as default.
 ```
@@ -196,17 +196,17 @@ management.health.elasticsearch.enabled: false
 management.health.rabbit.enabled: false
 ```
 
-### v1.1.0
+## v1.1.0
 Nothing to migrate.
 
-### v1.0.1
+## v1.0.1
 
-#### Database changes
+### Database changes
 ATTENTION
 : Please migrate your database if you want to update MetaStore while using h2! 
 See: https://h2database.com/html/migration-to-v2.html
 
-### v1.0.0
+## v1.0.0
 First production ready version.