implemented prototype function to convert binary strings of 1s into decimal

src/conversionOfNumbers/conversionOfNumbers.c

@@ -37,4 +37,16 @@ char* convertIntToBinaryStr(int input){
         length--; 
     }while(input != 0);
     return result;
+}
+
+unsigned int convertBinaryStrToInt(char* input){
+    unsigned int result = 0;
+    int x = 0;
+    while(input[x] != '\0'){
+        if(input[x] == '1'){
+            result += 1 * pow(2, x);
+        }
+        x++;
+    }
+    return result;
 }