initial improvements to pty driver. Improved clipboard handling of multibyte characters. Added emoji menu to vmenu. It places the emoji to the clipboard to be used wherever.

src/fenrirscreenreader/commands/vmenu-profiles/KEY/emoji/holidays/shamrock.py

@@ -0,0 +1,22 @@
+class command():
+    def initialize(self, environment):
+        self.env = environment
+        self.emoji = "☘️"
+    
+    def shutdown(self):
+        pass
+    
+    def setCallback(self, callback):
+        pass
+    
+    def getDescription(self):
+        return "Add shamrock emoji to clipboard"
+    
+    def run(self):
+        self.env["runtime"]["MemoryManager"].add_value_to_first_index(
+            "clipboardHistory", self.emoji
+        )
+        self.env["runtime"]["OutputManager"].present_text(
+            "Added shamrock to clipboard", 
+            interrupt=False, flush=False
+        )