feat: update package.json and tsconfig files for improved build process and structure

tsconfig.build.json

@@ -0,0 +1,11 @@
+{
+    "extends": "./tsconfig.json",
+    "include": [
+        "src/**/*"
+    ],
+    "exclude": [
+        "__tests__",
+        "node_modules",
+        "dist"
+    ]
+}