chore: add local install script for Zed dev testing

Author: bug-ops

scripts/install-local.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+# Install deps-lsp to ~/.local/bin for Zed dev extension testing
+
+set -e
+
+cargo build --release -p deps-lsp
+cp target/release/deps-lsp ~/.local/bin/
+echo "✓ Installed deps-lsp to ~/.local/bin/"
+echo "  Restart Zed to use the new version"