adds vscode extensions support

Signed-off-by: Menno van Leeuwen <menno@vleeuwen.me>

vscode/extensions.json

@@ -0,0 +1 @@
+["davidanson.vscode-markdownlint","esbenp.prettier-vscode","github.copilot","github.copilot-chat","ms-azuretools.vscode-docker","ms-vscode-remote.remote-containers","vscode-icons-team.vscode-icons"]

vscode/settings.json

@@ -10,4 +10,5 @@
         "scminput": false
     },
     "git.autofetch": true,
+    "workbench.iconTheme": "vscode-icons",
 }