beautify 1st part of the tutorial

1-js/5-functions-closures/7-with/1-with-function/solution.md

@@ -4,10 +4,14 @@
 
 ```js
 //+ run
-function f() { alert(1) }
+function f() {
+  alert(1)
+}
 
-var obj = { 
-  f: function() { alert(2) } 
+var obj = {
+  f: function() {
+    alert(2)
+  }
 };
 
 with(obj) {

1-js/5-functions-closures/7-with/1-with-function/task.md

@@ -5,10 +5,14 @@
 Какая из функций будет вызвана?
 
 ```js
-function f() { alert(1) }
+function f() {
+  alert(1)
+}
 
-var obj = { 
-  f: function() { alert(2) } 
+var obj = {
+  f: function() {
+    alert(2)
+  }
 };
 
 with(obj) {