Add python3 textual and its extensions (ros#43622)

* Add python3 textual and its extensions

* Add native packages for python3-textual

* exclude ubuntu focal from python3-textual

rosdep/python.yaml

@@ -10020,6 +10020,26 @@ python3-texttable:
   openembedded: [python3-texttable@meta-python]
   rhel: ['python%{python3_pkgversion}-texttable']
   ubuntu: [python3-texttable]
+python3-textual:
+  arch: [python-textual]
+  debian: [python3-textual]
+  fedora: [python3-textual]
+  nixos: [python311Packages.textual]
+  ubuntu:
+    '*': [python3-textual]
+    focal: null
+python3-textual-pip:
+  '*':
+    pip:
+      packages: [textual]
+python3-textual-plotext-pip:
+  '*':
+    pip:
+      packages: [textual-plotext]
+python3-textual-web-pip:
+  '*':
+    pip:
+      packages: [textual-web]
 python3-thop-pip:
   debian:
     pip: