[FIX] vscodium persistent data for theme and ssh key (#287)

Co-authored-by: SIBE <simon.belbeoch@octo.com>

public/v4/apps/vscode-coder.yml

@@ -8,6 +8,8 @@ services:
         volumes:
             - $$cap_appname-config-data:/home/coder/.local/share/code-server
             - $$cap_appname-project-directory:/home/coder/project
+            - $$cap_appname-keys-directory:/root/.ssh
+            - $$cap_appname-theme-and-plugin-directory:/root/.local/share/code-server
         caproverExtra:
             containerHttpPort: '8080'
             dockerfileLines: