Initialize bincio_wiki project structure

- Add brutsalvadi/astro-bloomz as git submodule at site/
- Add edit/ FastAPI sidecar (read/write markdown pages, trigger rebuild)
- Add scripts/dev.sh and scripts/build.sh (symlink pages/, run Astro + Pagefind)
- Add .gitignore

scripts/dev.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+# Start the Astro dev server and optionally the edit sidecar.
+# Usage: scripts/dev.sh [--edit]
+set -e
+cd "$(dirname "$0")/.."
+ROOT="$(pwd)"
+
+# Symlink wiki pages into the site's content collection
+mkdir -p pages
+mkdir -p site/src/content/entries
+LINK="$ROOT/site/src/content/entries/_wiki"
+if [ ! -L "$LINK" ]; then
+  ln -sf "$ROOT/pages" "$LINK"
+  echo "Linked pages/ → site/src/content/entries/_wiki"
+fi
+
+# Start edit sidecar if requested
+if [[ "$*" == *"--edit"* ]]; then
+  echo "Starting edit sidecar on :8001..."
+  (cd "$ROOT" && uvicorn edit.server:app --reload --port 8001) &
+  SIDECAR_PID=$!
+  trap "kill $SIDECAR_PID 2>/dev/null" EXIT
+fi
+
+# Start Astro dev server
+export PUBLIC_EDIT_URL="${WIKI_EDIT_URL:-}"
+cd site && npm run dev