Add Pluma support for Linux external editor options

* Added Pluma support

https://en.wikipedia.org/wiki/Pluma_(text_editor)

app/src/lib/editors/linux.ts

@@ -173,6 +173,10 @@ const editors: ILinuxExternalEditor[] = [
     name: 'Pulsar',
     paths: ['/usr/bin/pulsar'],
   },
+  {
+    name: 'Pluma',
+    paths: ['/usr/bin/pluma'],
+  },
 ]
 
 async function getAvailablePath(paths: string[]): Promise<string | null> {

docs/technical/editor-integration.md

@@ -357,6 +357,7 @@ These editors are currently supported:
  - [JetBrains Goland](https://www.jetbrains.com/go/)
  - [Emacs](https://www.gnu.org/software/emacs/)
  - [Pulsar](https://pulsar-edit.dev/)
+ - [Pluma](https://github.com/mate-desktop/pluma)
 
 These are defined in a list at the top of the file: