Add recommended VS Code extensions

Author: pseudopilot

.vscode/extensions.json

@@ -0,0 +1,10 @@
+{
+  "recommendations": [
+    "esbenp.prettier-vscode",
+    "dbaeumer.vscode-eslint",
+    "streetsidesoftware.code-spell-checker",
+    "eamodio.gitlens",
+    "ritwickdey.LiveServer",
+    "vsliveshare.vsliveshare"
+  ]
+}