ci: adds missing eslint config

.eslintrc.json

@@ -0,0 +1,36 @@
+{
+	"env" : {
+		"browser" : true,
+		"node"    : true,
+		"es2022"  : true
+	},
+	"parser"        : "@babel/eslint-parser",
+	"parserOptions" : {
+		"ecmaVersion"       : 13,
+		"requireConfigFile" : false
+	},
+	"extends" : [ "eslint:recommended" ],
+	"rules"   : {
+		"indent"                           : [ "error", "tab", { "SwitchCase": 1, "MemberExpression": "off", "CallExpression": { "arguments": "off" } } ],
+		"linebreak-style"                  : [ "error", "unix" ],
+		"quotes"                           : [ "error", "double", { "allowTemplateLiterals": true } ],
+		"semi"                             : [ "error", "always" ],
+		"no-mixed-spaces-and-tabs"         : [ "error", "smart-tabs" ],
+		"nonblock-statement-body-position" : [ "error", "beside" ],
+		"keyword-spacing"                  : [ "error", { "before": true, "after": true } ],
+		"no-unused-vars"                   : [ "warn" ],
+		"no-cond-assign"                   : [ "error" ],
+		"no-useless-escape"                : [ "off" ],
+		"no-console"                       : [ "off" ],
+		"no-control-regex"                 : [ "off" ],
+		"no-empty"                         : [ "error", { "allowEmptyCatch": true } ],
+		"no-prototype-builtins"            : [ "off" ],
+		"no-unmodified-loop-condition"     : [ "error" ],
+		"no-unreachable-loop"              : [ "error" ],
+		"require-atomic-updates"           : [ "off" ],
+		"no-unsafe-optional-chaining"      : [ "error" ],
+		"no-delete-var"                    : [ "off" ],
+		"prefer-const"                     : [ "warn", { "destructuring": "all" } ],
+		"no-var"                           : [ "warn" ]
+	}
+}