feat(repository): add vscode folder with good defaults and extension recommendations

Signed-off-by: Devin Buhl <devin@buhl.casa>

.vscode/extensions.json

@@ -0,0 +1,13 @@
+{
+    "recommendations": [
+        "HashiCorp.terraform",
+        "britesnow.vscode-toggle-quotes",
+        "mitchdenny.ecdc",
+        "ms-kubernetes-tools.vscode-kubernetes-tools",
+        "oderwat.indent-rainbow",
+        "redhat.ansible",
+        "signageos.signageos-vscode-sops",
+        "usernamehw.errorlens",
+        "fcrespo82.markdown-table-formatter"
+    ]
+}