fix: update TypeScript configuration for correct root directory and test exclusion

tsconfig.json

@@ -20,7 +20,7 @@
     "baseUrl": "./",
     "paths": {
       "@/*": [
-        "./src/*"
+        "lib/*"
       ]
     },
     "plugins": [
@@ -31,10 +31,12 @@
         "transform": "typescript-transform-paths",
         "afterDeclarations": true
       }
+    ],
+    "typeRoots": [
+      "lib/types"
     ]
   },
   "include": [
-    "src/**/*",
-    "tests/**/*",
+    "lib/**/*",
   ],
 }