chore: restructure to have small backend sdk as well

browser/tsconfig.json

@@ -0,0 +1,18 @@
+{
+    "compilerOptions": {
+        "outDir": "./dist",
+        "rootDir": "./src",
+        "allowJs": true,
+        "target": "ES2022",
+        "skipLibCheck": true,
+        "allowSyntheticDefaultImports": true,
+        "types": [
+            "node"
+        ],
+        "module": "NodeNext",
+        "moduleResolution": "NodeNext"
+    },
+    "include": [
+        "./src/**/*"
+    ]
+}