[hotfix] improve npm publish practices

package.json

@@ -1,12 +1,28 @@
 {
     "name": "truelayer-client",
-    "version": "1.2.2",
+    "version": "1.3.1",
     "description": "The official TrueLayer API client library",
     "main": "dist/index.js",
     "types": "dist/index.d.ts",
     "repository": "https://github.com/TrueLayer/truelayer-client-javascript.git",
     "author": "Jarvis Prestidge <jarvis@truelayer.com> & Raluca Lehadus <raluca@truelayer.com>",
     "license": "MIT",
+    "scripts": {
+        "prepublishOnly": "npm run build",
+        "clean": "rm -rf dist",
+        "build": "npm run clean && tsc -p .",
+        "lint": "tslint --fix --format verbose *.ts",
+        "test": "npm run build && ava --verbose dist/test/**/*spec.js",
+        "retest": "ava --verbose dist/test/**/*spec.js",
+        "start": "node dist/app.js"
+    },
+    "files": [
+        "dist",
+        "README.md",
+        "LICENCE",
+        "yarn.lock",
+        "package.json"
+    ],
     "devDependencies": {
         "@types/sinon": "^2.2.2",
         "ava": "^0.19.1",
@@ -24,14 +40,5 @@
         "moment": "^2.18.1",
         "request": "^2.81.0",
         "request-promise": "^4.2.1"
-    },
-    "scripts": {
-        "prepublishOnly": "npm run build",
-        "clean": "rm -rf dist",
-        "build": "npm run clean && tsc -p .",
-        "lint": "tslint --fix --format verbose *.ts",
-        "test": "npm run build && ava --verbose dist/test/**/*spec.js",
-        "retest": "ava --verbose dist/test/**/*spec.js",
-        "start": "node dist/app.js"
     }
 }

tsconfig.json

@@ -1,24 +1,13 @@
 {
     "compilerOptions": {
         "target": "es6",
-        /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */
         "module": "commonjs",
-        /* Specify module code generation: 'commonjs', 'amd', 'system', 'umd' or 'es2015'. */
         "outDir": "dist",
-        /* Generates corresponding .d.ts file. */
         "declaration": true,
-        /* Redirect output structure to the directory. */
         "sourceMap": false,
-        /* Generates corresponding '.map' file. */
         "strict": true,
-        /* Enable all strict type-checking options. */
         "lib": ["es2017"],
-        /* Include the good stuff. */
     },
-    "exclude": [
-        "examples",
-        "node_modules"
-    ],
     "include": [
         "src",
         "test"