CTX7-854: Migrate to pnpm monorepo (#1058)

* init sdk and monorepo

* init sdk and monorepo

* comment cleanup

* remove bun.lock

* cleanup: remove sdk package and deps

* update tsconfigs

* chore: add temp changelog

* ci: update scripts

* ci: update github workflows

* fmt: workflows

* fix: search libraries response type

* ci: update pack-mcpb script

* update keywords and author

* update eslint config for mcp

* include license and readme in build

* update release.yaml

* add readme symlink

* include readme in mcp package

* chore: add canary release workflow and update configs

* chore: format files

* ci: add changeset check workflow

* canary release trigger

* ci: login to npm before release

* bump mcp version on package

* remove pr trigger from canary release

* ci: remove package input

* add mcp lint command

* update format scripts