Revert "fix: get rid of deprecated baseUrl param (can just remove it)"

This reverts commit ba5e297.

Author: yaroslav8765

adminforth/spa/tsconfig.app.json

@@ -5,6 +5,8 @@
   "compilerOptions": {
     "composite": true,
     "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
+    "ignoreDeprecations": "6.0",
+    "baseUrl": ".",
     "paths": {
       "@/*": ["./src/*"]
     }