root: add yarn fix

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

.changeset/early-rules-taste.md

@@ -0,0 +1,14 @@
+---
+'@backstage/create-app': patch
+---
+
+Added the new `repo fix` command to the project too.
+
+To apply this change to an existing app, make the following change to your root `package.json`:
+
+```diff
+     "test": "backstage-cli repo test",
+     "test:all": "backstage-cli repo test --coverage",
++    "fix": "backstage-cli repo fix",
+     "lint": "backstage-cli repo lint --since origin/master",
+```

package.json

@@ -18,6 +18,7 @@
     "clean": "backstage-cli repo clean",
     "test": "backstage-cli repo test",
     "test:all": "backstage-cli repo test --coverage",
+    "fix": "backstage-cli repo fix",
     "lint": "backstage-cli repo lint --since origin/master",
     "lint:docs": "node ./scripts/check-docs-quality",
     "lint:all": "backstage-cli repo lint",

packages/create-app/templates/default-app/package.json.hbs

@@ -17,6 +17,7 @@
     "clean": "backstage-cli repo clean",
     "test": "backstage-cli repo test",
     "test:all": "backstage-cli repo test --coverage",
+    "fix": "backstage-cli repo fix",
     "lint": "backstage-cli repo lint --since origin/{{defaultBranch}}",
     "lint:all": "backstage-cli repo lint",
     "prettier:check": "prettier --check .",