add js linter rules

.jscsrc

@@ -0,0 +1,76 @@
+{
+	"requireCurlyBraces": [
+        "if",
+        "else",
+        "for",
+        "while",
+        "do",
+        "try",
+        "catch"
+    ],
+	"validateIndentation": 4,
+    "validateQuoteMarks": "'",
+	"requireSpacesInForStatement": true,
+	"requireParenthesesAroundIIFE": true,
+	"requireLineFeedAtFileEnd": true,
+	"requireBlocksOnNewline": true,
+	"disallowPaddingNewlinesInBlocks": true,
+	"disallowEmptyBlocks": true,
+	"disallowSpaceAfterObjectKeys": true,
+	"requireSpaceBeforeObjectValues": true,
+	"requireCommaBeforeLineBreak": true,
+	"requireSpaceBeforeBinaryOperators": [
+        "=", "+=", "-=", "*=", "/=", "%=", "<<=", ">>=", ">>>=",
+        "&=", "|=", "^=", "+=",
+
+        "+", "-", "*", "/", "%", "<<", ">>", ">>>", "&",
+        "|", "^", "&&", "||", "===", "==", ">=",
+        "<=", "<", ">", "!=", "!=="
+    ],
+	"requireSpaceAfterBinaryOperators": true,
+	"disallowTrailingComma": true,
+	"requireDotNotation": true,
+	"disallowUnusedVariables": true,
+	"disallowUnusedParams": true,
+	"disallowYodaConditions": true,
+	"disallowNewlineBeforeBlockStatements": true,
+	"requireSpacesInConditionalExpression": {
+      		"afterTest": true,
+      		"beforeConsequent": true,
+      		"afterConsequent": true,
+      		"beforeAlternate": true
+    	},
+	"requireSpacesInFunctionExpression": {
+		"beforeOpeningCurlyBrace": true
+	},
+	"requireSpacesInAnonymousFunctionExpression": {
+		"beforeOpeningRoundBrace": true,
+		"beforeOpeningCurlyBrace": true
+	},
+	"disallowSpacesInFunctionDeclaration": {
+		"beforeOpeningRoundBrace": true
+	},
+	"requireSpaceAfterKeywords": [
+		"do",
+		"for",
+		"if",
+		"else",
+		"switch",
+		"case",
+		"try",
+		"catch",
+		"void",
+		"while",
+		"with",
+		"return",
+		"typeof",
+		"function"
+	],
+	"disallowKeywordsOnNewLine": [
+		"else",
+		"catch"
+	],
+	"disallowMultipleLineBreaks": true,
+	"disallowSpacesInsideObjectBrackets": "all",
+    "disallowSpacesInsideArrayBrackets": "all"
+}