Visual enhancement for the help banner

[RodricBr]

• Line 19-32

      "+---------------------------------------------------------+",
      "",
      " Usage:",
			"   [buffer] | scopein [flags]",
      "",
      " Options:",
      "   -s  <scope>,    In Scope targets separated by '|'",
      "   -b  <outscope>, Out of Scope targets separated by '|'",
      "   -f  <file>,     File with In Scope urls",
      "   -bf <file>,     File with Out of Scope urls",
      "   -h,             Show this help message",
      "",
      "+---------------------------------------------------------+",
      "",

---

• Line 35-48

fmt.Println(`
	                /!\
	               / ! \
	        /\     )___(
	       (  '.____(_)_________
	       |           __..--""
	       (       _.-|
	        \    ,' | |
	         \  /   | |
	          \(    | |
 	           '    | |
	        v1.2    | |  github.com/ferreiraklet
	                | | 
		`)

---

Result: