fix package json and ts declaration output

Author: RichardMarks

package.json

@@ -2,7 +2,7 @@
   "name": "optimal-id",
   "version": "1.0.0",
   "description": "generates an optimized string based id value suitable for nosql database unique keys",
-  "main": "dist/main.js",
+  "main": "dist/index.js",
   "repository": {
     "type": "git",
     "url": "https://github.com/RichardMarks/optimal-id.git"

tsconfig.json

@@ -10,7 +10,7 @@
     // "allowJs": true,                       /* Allow javascript files to be compiled. */
     // "checkJs": true,                       /* Report errors in .js files. */
     // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
-    // "declaration": true,                   /* Generates corresponding '.d.ts' file. */
+    "declaration": true,                   /* Generates corresponding '.d.ts' file. */
     // "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
     // "sourceMap": true,                     /* Generates corresponding '.map' file. */
     // "outFile": "./",                       /* Concatenate and emit output to single file. */