add tsconfig.prod.json (#101)

With tsconfig.prod.json we be able to exclude __tests__ from build because in production the tests are unnecessary

Author: VictorAugDB

package.json

@@ -58,7 +58,7 @@
   },
   "scripts": {
     "prebuild": "rimraf dist",
-    "build": "tsc",
+    "build": "tsc -p tsconfig.prod.json",
     "dev": "tsnd --transpile-only --files src/index.ts | pino-pretty -c -l",
     "debug": "tsnd --transpile-only --inspect --files src/index.ts | pino-pretty -c -l",
     "cli": "tsnd --transpile-only --files src/index.ts --cli",

tsconfig.prod.json

@@ -0,0 +1,7 @@
+{
+  "extends": "./tsconfig.json",
+  "exclude": [
+    "src/__tests__",
+    "src/**/__tests__"
+  ]
+}