chore: Fix lint issues (#553)

* ci(Lint): Temporarily disable branch contraint

* chore(erpnext-nginx): Fix linting

* chore: Fix linting issues

* ci(Lint): Add -x flag

* ci(Lint): Fix push trigger

* chore: Fix linting and formatting

* fix: Gunicorn server start

* chore(frappe-worker): Fix linting

* chore(frappe-nginx): Fix linting

* fix(erpnext-nginx): App installation

* fix(erpnext-nginx): App installation

* refactor(frappe-nginx): Use `find` instead of `ls`

.github/workflows/lint.yml

@@ -14,3 +14,5 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: ludeeus/action-shellcheck@master
+        env:
+          SHELLCHECK_OPTS: -x