Add how to use updated migration script info to README

README.md

@@ -43,10 +43,34 @@ This command will generate a up and down migration in `db_migrations`
 DB Migrations are applied upon server start, but as well, it can be applied manually through:
 ```sh
 ./scripts/migration.sh {--down or --up} {number_of_times} 
-./scripts/migration.sh -d 1
-./scripts/migration.sh -u 1
 ```
 
+### Usage
+
+#### Apply Migrations
+
+- To apply all migrations:
+  ```sh
+  ./scripts/migration.sh --up
+  ```
+
+- To apply a specific number of migrations:
+  ```sh
+  ./scripts/migration.sh --up 2
+  ```
+
+#### Rollback Migrations
+
+- To roll back a specific number of migrations:
+  ```sh
+  ./scripts/migration.sh --down 2
+  ```
+
+- To roll back all migrations:
+  ```sh
+  ./scripts/migration.sh --down --all
+  ```
+
 ## Running Tests
 Install Mockery with
 ```

scripts/migration.sh

@@ -36,7 +36,7 @@ case $key in
         DOWN_MIGRATION_NUMBER="$2"
         shift
     else
-        echo "Error: Down migration requires a specific number of migrations or -all flag to revert all migrations."
+        echo "Error: Down migration requires a specific number of migrations or --all flag to revert all migrations."
         exit 1
     fi
     shift # past argument