added more eslint rc rules

frontend/.eslintrc.json

@@ -66,6 +66,7 @@
         // "@stylistic/ts/template-tag-spacing": ["error"],
         // "@stylistic/ts/wrap-regex": ["error"],
         "no-var": ["error"],
+        "no-unused-vars": "off",
         "prettier/prettier": ["error", { "printWidth": 80 }],
         "@angular-eslint/directive-selector": [
           "error",
@@ -128,6 +129,14 @@
           { "blankLine": "always", "prev": "var", "next": "*" },
           { "blankLine": "any", "prev": ["const", "let", "var"], "next": ["const", "let", "var"] }
         ],
+        "@typescript-eslint/no-unused-vars": [
+          "error",
+          {
+            "vars": "all",
+            "args": "after-used",
+            "ignoreRestSiblings": false
+          }
+        ],
         "@typescript-eslint/typedef": [
           "error",
           {