Add support for output templating

Co-authored-by: Fredrik Adelöw <freben@gmail.com>
Co-authored-by: blam<ben@blam.sh>
Co-authored-by: Patrik Oldsberg <poldsberg@gmail.com>

plugins/scaffolder-backend/package.json

@@ -50,6 +50,7 @@
     "fs-extra": "^9.0.0",
     "git-url-parse": "^11.4.4",
     "globby": "^11.0.0",
+    "handlebars": "^4.7.6",
     "helmet": "^4.0.0",
     "isomorphic-git": "^1.8.0",
     "jsonschema": "^1.2.6",
@@ -66,9 +67,9 @@
     "@types/mock-fs": "^4.13.0",
     "@types/supertest": "^2.0.8",
     "mock-fs": "^4.13.0",
+    "msw": "^0.21.2",
     "supertest": "^4.0.2",
-    "yaml": "^1.10.0",
-    "msw": "^0.21.2"
+    "yaml": "^1.10.0"
   },
   "files": [
     "dist",