chore(ext): add astro-build.astro-vscode and repreng.csv recommended list

.vscode/extensions.json

@@ -11,6 +11,7 @@
     "antyos.openscad",
     "arrterian.nix-env-selector",
     "arturodent.command-alias",
+    "astro-build.astro-vscode",
     "bibhasdn.unique-lines",
     "bierner.github-markdown-preview",
     "bierner.markdown-checkbox",
@@ -83,6 +84,7 @@
     "pomdtr.excalidraw-editor",
     "redhat.vscode-xml",
     "redhat.vscode-yaml",
+    "repreng.csv",
     "romanpeshkov.vscode-text-tables",
     "rrudi.vscode-dired",
     "rust-lang.rust-analyzer",