replaced jscsrc and jshint with eslint

.jscsrc

@@ -1,56 +0,0 @@
-{
-	"requireOperatorBeforeLineBreak": true,
-	"requireCamelCaseOrUpperCaseIdentifiers": true,
-	"maximumLineLength": {
-		"value": 80,
-		"allowComments": true,
-		"allowRegex": true
-	},
-	"validateIndentation": "  ",
-	"validateQuoteMarks": "\"",
-
-	"disallowMultipleLineStrings": true,
-	"disallowMixedSpacesAndTabs": "smart",
-	"disallowTrailingWhitespace": true,
-	"disallowSpaceAfterPrefixUnaryOperators": true,
-	"disallowMultipleVarDecl": false,
-	"disallowNewlineBeforeBlockStatements": true,
-	"disallowKeywordsOnNewLine": ["else"],
-
-	"requireSpaceAfterKeywords": [
-		"if",
-		"else",
-		"for",
-		"while",
-		"do",
-		"switch",
-		"return",
-		"try",
-		"catch"
-	],
-	"requireSpaceBeforeBinaryOperators": [
-		"=", "+=", "-=", "*=", "/=", "%=", "<<=", ">>=", ">>>=",
-		"&=", "|=", "^=", "+=",
-
-		"+", "-", "*", "/", "%", "<<", ">>", ">>>", "&",
-		"|", "^", "&&", "||", "===", "==", ">=",
-		"<=", "<", ">", "!=", "!=="
-	],
-	"requireSpaceAfterBinaryOperators": true,
-	"requireSpacesInConditionalExpression": true,
-	"requireSpacesInForStatement": true,
-	"requireTrailingComma": {
-		"ignoreSingleValue": true,
-		"ignoreSingleLine": true
-	},
-	"requireLineFeedAtFileEnd": true,
-	"disallowSpacesInAnonymousFunctionExpression": {
-		"beforeOpeningRoundBrace": true
-	},
-	"disallowSpacesInsideObjectBrackets": "all",
-	"disallowSpacesInsideArrayBrackets": "all",
-	"disallowSpacesInsideParentheses": true,
-
-	"disallowMultipleLineBreaks": true,
-	"disallowNewlineBeforeBlockStatements": true
-}

.jshintrc

@@ -1,4 +0,0 @@
-{
-	"undef": false,
-	"esversion": 9,
-}

app/package.json

@@ -42,6 +42,29 @@
     "vuex": "^3.1.2"
   },
   "devDependencies": {
+    "eslint": "^6.8.0",
+    "eslint-plugin-vue": "^7.0.0-alpha.0",
     "mem": "^6.0.1"
+  },
+  "eslintConfig": {
+    "extends": [
+			"eslint:recommended",
+			"plugin:vue/recommended"
+		],
+    "plugins": ["vue"],
+    "overrides": [
+      {
+        "files": ["*.vue"],
+        "parser": "vue-eslint-parser"
+      }
+    ],
+    "parserOptions": {
+      "ecmaVersion": 6
+    },
+    "env": {
+      "es6": true,
+      "browser": true,
+      "node": true
+    }
   }
 }