Better handling of detecting csv separator.

src/LocalizationFile.cpp

@@ -12,6 +12,10 @@ static bool IsKeyValid(const std::string_view & key){
     return true;
 }
 
+const char PossibleSeparators[] = {
+    ',', ';', '|', '\t', ':'
+};
+
 void LocalizationFile::LoadFile(const std::filesystem::path& path) {
     if (!std::filesystem::exists(path)) {
         std::stringstream ss;
@@ -31,9 +35,11 @@ void LocalizationFile::LoadFile(const std::filesystem::path& path) {
     while (std::getline(file, line)) {
         if (firstLine) {
             firstLine = false;
-            if (line.substr(0, 4) == "sep=") {
-                sep = line[4];
-                continue;
+            for (auto& s :PossibleSeparators) {
+                if (line.find(s) != std::string::npos){
+                    sep = s;
+                    break;
+                }
             }
         }
         std::string key;