Fix: remove extra files from release package

After shifting config files to TS these were now being included in the release package.
This commit removes them from the release package.

tsconfig.json

@@ -26,7 +26,7 @@
 
     /* Modules */
     "module": "commonjs" /* Specify what module code is generated. */,
-    // "rootDir": "./",                                  /* Specify the root folder within your source files. */
+    "rootDir": "./src" /* Specify the root folder within your source files. */,
     // "moduleResolution": "node",                       /* Specify how TypeScript looks up a file from a given module specifier. */
     // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
     // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
@@ -99,5 +99,6 @@
     /* Completeness */
     // "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
     "skipLibCheck": true /* Skip type checking all .d.ts files. */
-  }
+  },
+  "include": ["src"]
 }