linting: fix endlines

Author: Laoujin

frontend/.eslintrc.json

@@ -7,7 +7,9 @@
     "keyword-spacing": ["error", { "before": true }],
     "space-before-blocks": "error",
     "no-trailing-spaces": "error",
-    "no-multi-spaces": "error"
+    "no-multi-spaces": "error",
+    "no-multiple-empty-lines": ["error", { "max": 8, "maxEOF": 1 }],
+    "eol-last": ["error", "always"]
   },
   "overrides": [
     {

frontend/src/components/admin/audit/spec/AuditChangeEntry.spec.tsx

@@ -20,4 +20,3 @@ describe('AuditChangeEntry', () => {
 
 });
 
-

frontend/src/components/client/models/getClientFeature.tsx

@@ -182,4 +182,3 @@ export const clientFeature = (config: ClientFeatureBuilderConfig): IFeature<Clie
   return feature;
 };
 
-

frontend/src/components/controls/form-controls/inputs/BaseInput.tsx

@@ -43,4 +43,3 @@ export const BaseInput = EnhanceInputWithDisplay(EnhanceInputWithLabel(EnhanceIn
   }
 })));
 
-