added more eslint rules

frontend/.eslintrc.json

@@ -121,6 +121,26 @@
             ]
           }
         ],
+        "padding-line-between-statements": [
+          "error",
+          { "blankLine": "always", "prev": "const", "next": "*" },
+          { "blankLine": "always", "prev": "let", "next": "*" },
+          { "blankLine": "always", "prev": "var", "next": "*" },
+          { "blankLine": "any", "prev": ["const", "let", "var"], "next": ["const", "let", "var"] }
+        ],
+        "@typescript-eslint/typedef": [
+          "error",
+          {
+            "arrayDestructuring": true,
+            "arrowParameter": true,
+            "memberVariableDeclaration": true,
+            "objectDestructuring": true,
+            "parameter": true,
+            "propertyDeclaration": true,
+            "variableDeclaration": false,
+            "variableDeclarationIgnoreFunction": true
+          }
+        ],
         "import/order": [
           "error",
           {