add possibility to create package

lib/setup/postgresql.rb

@@ -5,14 +5,25 @@ module Setup
   module PostgreSQL
     extend Templates
  
+    
+
     # attr_accessor :te 
 
-    
+    def self.init_db
+      system(" -D /opt/pgsql/16/data")
+    end
 
     def self.make_config
       pg_hba = render("pg_hba.conf")
 
-      test = render("test", te: "This is a test string")
+      # test = render("test", te: "This is a test string")
+      posgresql_conf = render("postgresql")
+      service = render(
+        "postgresql.service", 
+        prefix: "/pkg/postgresql/REL_17_5/", 
+        version: "16.5", 
+        data_url: "/data/postgresql/16/"
+      ) 
       puts test
     end