Improve TypeScript types and package naming in CLI generator

Adds proper type annotations for database and ORM parameters,
simplifies package names in templates, and renames version utility
function for clarity.

apps/cli/template/base/packages/client/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@better-t/client",
+  "name": "client",
   "version": "0.0.0",
   "private": true,
   "type": "module",

apps/cli/template/base/packages/server/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@better-t/server",
+  "name": "server",
   "main": "src/index.ts",
   "type": "module",
   "scripts": {