added new script disable-readonly-mode

disable-readonly-mode/disable-readonly-mode.qml

@@ -0,0 +1,20 @@
+import QtQml 2.0
+import QOwnNotesTypes 1.0
+
+/**
+ * This script will disable the read-only mode if a note is double clicked
+ */
+Script {
+    /**
+     * This function is called after a note was double clicked
+     *
+     * @param {NoteApi} note - the note object that was clicked
+     */
+    function noteDoubleClickedHook(note) {
+        // disable the read-only mode
+        script.triggerMenuAction("actionAllow_note_editing", 1);
+        
+        // focus the note text edit
+        mainWindow.focusNoteTextEdit();
+    }
+}

disable-readonly-mode/info.json

@@ -0,0 +1,9 @@
+{
+  "name": "Disable read-only mode",
+  "identifier": "disable-readonly-mode",
+  "script": "disable-readonly-mode.qml",
+  "authors": ["@pbek"],
+  "version": "1.0.0",
+  "minAppVersion": "18.08.1",
+  "description" : "This script will disable the read-only mode if a note is double clicked. The note text edit will also be focused afterwards."
+}