add missing changeset file for workspace dependency fix

Author: elieteyssedou

.changeset/fix-workspace-dependency.md

@@ -0,0 +1,9 @@
+---
+"@mcp-pointer/server": patch
+---
+
+Fix npm publish by moving shared package to devDependencies
+
+- Move @mcp-pointer/shared from dependencies to devDependencies
+- Resolves "workspace:*" protocol issue when publishing to npm
+- Shared code is bundled by esbuild so not needed at runtime