refactor: move functions to utils + code-review fixes

Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com>

launcher/StringUtils.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <QString>
+#include <QUrl>
 
 namespace StringUtils {
 
@@ -29,4 +30,15 @@ inline QString fromStdString(string s)
 #endif
 
 int naturalCompare(const QString& s1, const QString& s2, Qt::CaseSensitivity cs);
+
+/**
+ * @brief Truncate a url while keeping its readability py placing the `...` in the middle of the path  
+ * @param url Url to truncate
+ * @param max_len max lenght of url in charaters
+ * @param hard_limit if truncating the path can't get the url short enough, truncate it normaly.
+ */
+QString truncateUrlHumanFriendly(QUrl &url, int max_len, bool hard_limit = false);
+
+QString humanReadableFileSize(double bytes, bool use_si = false, int decimal_points = 1);
+
 }  // namespace StringUtils