Added postinstall command

Signed-off-by: bkarastanev <bkarastanev@linux-r4ow.site>

package.json

@@ -5,7 +5,8 @@
   "main": "lib/bootstrap.js",
   "scripts": {
     "lint": "tslint \"lib/**/*.ts\"",
-    "test": "node_modules/.bin/istanbul cover node_modules/mocha/bin/_mocha -- --recursive --reporter spec-xunit-file --require test/test-bootstrap.js --timeout 1000 test/"
+    "test": "node_modules/.bin/istanbul cover node_modules/mocha/bin/_mocha -- --recursive --reporter spec-xunit-file --require test/test-bootstrap.js --timeout 1000 test/",
+    "postinstall": "mkdir ./templates"
   },
   "repository": {
     "type": "git",