use multiple dbs

Signed-off-by: Jason McCallister <jason@craftcms.com>

nitro.yaml

@@ -3,12 +3,20 @@ cpus: 2
 memory: 2G
 disk: 30G
 php: 7.3
-database:
-  engine: mysql
-  version: 5.6
+databases:
+  - engine: mysql
+    verison: 5.7
+    port: 3306
+  - engine: mysql
+    verison: 5.8
+    port: 33061
+  - engine: postgres
+    verison: 11.7
+    port: 5432
 sites:
-    - domain: example
-      path: /Users/jasonmccallister/go/src/github.com/nitro/demo-site
-      php: 7.4
-    - domain: another
-      path: /Users/jasonmccallister/go/src/github.com/nitro/demo-site
+  - domain: example.test
+    path: /Users/jasonmccallister/go/src/github.com/nitro/demo-site
+    root: web
+  - domain: another.test
+    path: /Users/jasonmccallister/go/src/github.com/nitro/demo-site
+    root: web