fix: publish source to map sourcemaps work in bundlers

Author: bhovhannes

package.json

@@ -7,7 +7,8 @@
   "jsnext:main": "dist/objcodes.js",
   "types": "dist/objcodes.d.ts",
   "files": [
-    "dist"
+    "dist",
+    "src"
   ],
   "sideEffects": false,
   "devDependencies": {

tsconfig.json

@@ -6,7 +6,8 @@
     "sourceMap": true,
     "outDir": "./dist",
     "declaration": true,
-    "target": "es5"
+    "target": "es5",
+    "strict": true
   },
   "compileOnSave": false,
   "buildOnSave": false,