Merge pull request #214 from dmur1/fix-last-line-of-config-in-readme-#211

don't put a comma on the last line of the example json config in the …

Author: dmur1

README.md

@@ -596,6 +596,6 @@ if a file called `writeup.md` already exists the command will abort
   "googlecloudregion": "",
   "googlecloudsshkey": "",
   "chefurl": "",
-  "ctftimeurl": "",
+  "ctftimeurl": ""
 }
 ```

commands/readme.go

@@ -133,7 +133,11 @@ func Readme(args []string) {
 
 	for i := 0; i < t.NumField(); i++ {
 		field := t.Field(i)
-		fmt.Fprintf(os.Stdout, "  \"%s\": \"%s\",\n", field.Tag.Get("json"), "")
+		fmt.Fprintf(os.Stdout, "  \"%s\": \"%s\"", field.Tag.Get("json"), "")
+		if (i + 1) != t.NumField() {
+			fmt.Fprintf(os.Stdout, ",")
+		}
+		fmt.Fprintf(os.Stdout, "\n")
 	}
 
 	fmt.Fprintf(os.Stdout, "}\n```\n")