Issue #133: Added instructions to create migration

Signed-off-by: alexmerlin <[email protected]>

Author: alexmerlin

docs/book/v6/installation/doctrine-orm.md

@@ -2,19 +2,31 @@
 
 ## Setup database
 
-Make sure you fill out the database credentials in `config/autoload/local.php` under `$databases['default']`.
+Use an existing empty one or create a new **MariaDB**/**MySQL** database.
 
-Create a new MySQL database - set collation to `utf8mb4_general_ci`
+> Recommended collation: `utf8mb4_general_ci`.
 
-## Running migrations
+With a database created, fill out the database connection params in `config/autoload/local.php` under `$databases['default']`.
 
-Run the database migrations by using the following command:
+#### Creating migrations
+
+Create a new migration by running:
+
+```shell
+php ./vendor/bin/doctrine-migrations diff
+```
+
+The new migration file will be placed in `src/Core/src/App/src/Migration/`.
+
+#### Running migrations
+
+Execute a new migration by running:
 
 ```shell
-php vendor/bin/doctrine-migrations migrate
+php ./vendor/bin/doctrine-migrations migrate
 ```
 
-This command will prompt you to confirm that you want to run it.
+This command will prompt you to confirm that you want to run it:
 
 > WARNING! You are about to execute a migration in database "..." that could result in schema changes and data loss. Are you sure you wish to continue? (yes/no) [yes]:
 
@@ -27,21 +39,21 @@ Hit `Enter` to confirm the operation.
 To list all the fixtures, run:
 
 ```shell
-php bin/doctrine fixtures:list
+php ./bin/doctrine fixtures:list
 ```
 
 This will output all the fixtures in the order of execution.
 
 To execute all fixtures, run:
 
 ```shell
-php bin/doctrine fixtures:execute
+php ./bin/doctrine fixtures:execute
 ```
 
 To execute a specific fixture, run:
 
 ```shell
-php bin/doctrine fixtures:execute --class=FixtureClassName
+php ./bin/doctrine fixtures:execute --class=FixtureClassName
 ```
 
 More details on how fixtures work can be found on [dot-data-fixtures documentation](https://github.com/dotkernel/dot-data-fixtures#creating-fixtures)