rename ravenlog to krowlog

There is a database named RavenDB.
KrowLog starts with a K, which is a) distinctive and b) has an association to KDE.

src/plugins/logfileplugin.py

@@ -0,0 +1,36 @@
+import os.path
+from typing import Optional
+
+from PySide6.QtWidgets import QMessageBox
+
+from src.plugins.logfile.fulltabwidget import FullTabWidget
+from src.ui.bigtext.logFileModel import LogFileModel
+from src.pluginbase import PluginBase
+from src.plugins.krowlog.Tab import Tab
+from src.settings.settings import Settings
+
+from src.i18n import _
+
+
+class LogFilePlugin(PluginBase):
+    def __init__(self):
+        super(LogFilePlugin, self).__init__()
+        self.settings = None
+
+    def set_settings(self, settings: Settings):
+        self.settings = settings
+
+    def create_tab(self, file: str) -> Optional[Tab]:
+        if not os.path.isfile(file):
+            message = QMessageBox(QMessageBox.Icon.Warning, _("File not found"),
+                                  _("'{0}' is not a file or cannot be opened").format(file))
+            message.exec()
+            return None
+
+        realpath = os.path.realpath(file)
+        filename = os.path.basename(realpath)
+
+        model = LogFileModel(file, self.settings)
+        tab = FullTabWidget(model, unique_id=realpath, title=filename)
+
+        return tab