added a charToString Function and updated readMe file. Tested!

Author: DanielRomeo

README.md

@@ -25,6 +25,13 @@ main(){
 	int b = js::includes(str2, str);
 	cout << b << endl; // returns 3
 
+	/////////////////////////////
+	//convert a char to a string
+	char myChar = 'A';
+	string str3 ;   
+	str3 = js::charToString(myChar); 
+	cout << str3 << endl; // returns "A"
+
 	return 0;
 }
 ```

jackstring/jackstring.cpp

@@ -30,4 +30,10 @@ namespace js{
 		}
 		return -1;
 	}
+
+	std::string charToString(char charector){
+		std::string str;
+		str.push_back(charector);
+		return str;
+	}
 }

jackstring/jackstring.h

@@ -7,8 +7,8 @@
 
 namespace js{
 	int length(std::string str);
-	int includes(std::string text, std::string str); // returns 1 else -1 
-	
+	int includes(std::string text, std::string str); // returns 1 else -1. 
+	std::string charToString(char); // converts a charector to a string.
 }
 
 #endif