feat: added first typescript support

Didn't add many types yet. Just used to test out typescript compiler, copying files and building.
Now that all that seems to go well I can start converting all files to .ts and then adding proper typing everywhere

tsconfig.json

@@ -0,0 +1,16 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "target": "ES6",
+    "noImplicitAny": true,
+    "sourceMap": true,
+    "allowJs": true,
+    "outDir": "ts-dist",
+    "esModuleInterop": true,
+    "baseUrl": ".",
+    "paths": {
+      "*": ["node_modules/*"]
+    }
+  },
+  "include": ["src/**/*"]
+}