Add linter actions

.gitea/workflows/smart-clinic-lint-docker.yml

@@ -0,0 +1,18 @@
+name: Lint Dockerfiles
+on:
+  pull_request:
+    paths:
+      - SmartClinicManagementSystem/**
+  push:
+    paths:
+      - SmartClinicManagementSystem/**
+jobs:
+  dockerlint:
+    runs-on: node20
+    name: Lint Dockerfiles
+    steps:
+      - uses: actions/checkout@v3
+      - name: Run hadolint
+        uses: hadolint/hadolint-action@v3.1.0
+        with:
+          dockerfile: ./SmartClinicManagementSystem/app/Dockerfile