added trim in utils, added parse request header, mv pdf in docs

srcs/utils.cpp

@@ -3,9 +3,9 @@
 
 std::vector<std::string> split(std::string input, char delimiter)
 {
-    std::vector<std::string> answer;
-    std::stringstream ss(input);
-    std::string temp;
+    std::vector<std::string>	answer;
+    std::stringstream			ss(input);
+    std::string					temp;
  
     while (getline(ss, temp, delimiter))
         answer.push_back(temp);
@@ -13,13 +13,19 @@ std::vector<std::string> split(std::string input, char delimiter)
     return answer;
 }
 
-char*	itoa(int n)
+std::string	trim(std::string str, char c)
 {
-	std::stringstream	strs;
-	char *				str;
+	str = str.substr(str.find_first_not_of(c));
+	str = str.substr(0, str.find_last_not_of(c) + 1);
 
-	strs << n;
-	str = (char*)(strs.str().c_str());
-	return (str);
+	return str;
+}
+
+std::string	itoa(int n)
+{
+	std::stringstream	strs;
+
+	strs << n;
+	return ( strs.str() );
 }