chore(server): better naming for the sql init script

setup/db/10-docker_postgres_init.sql

@@ -0,0 +1,8 @@
+CREATE DATABASE speckle2_test
+    WITH 
+    OWNER = speckle
+    ENCODING = 'UTF8'
+    LC_COLLATE = 'en_US.utf8'
+    LC_CTYPE = 'en_US.utf8'
+    TABLESPACE = pg_default
+    CONNECTION LIMIT = -1;