add(Better Align): add align rules(#745)

.vscode/settings.json

@@ -7,4 +7,14 @@
     , "node_modules/": true
     , "package/": true
   }
+  , "alignment": {
+        "operatorPadding": "right"
+      , "indentBase":      "firstline"
+      , "surroundSpace":   {
+        "colon":      [-1, 1],   // The first number specify how much space to add to the left, can be negative. The second number is how much space to the right, can be negative.
+        "assignment": [1, 1],    // The same as above.
+        "arrow":      [1, 1],    // The same as above.
+        "comment":    2          // Special how much space to add between the trailing comment and the code.
+                               // If this value is negative, it means don't align the trailing comment.
+    }
 }