new RST files for doc update

added new files for docs update

fixed cell for topfarm installation

new RST files for doc update

added new files for docs update

fixed cell for topfarm installation

fixed cost models and problems notebook

updated cost component API reference

new RST files for doc update

added new files for docs update

fixed cell for topfarm installation

new RST files for doc update

added new files for docs update

fixed cell for topfarm installation

fixed cost models and problems notebook

updated cost component API reference

updating cost component API reference

updating cost component API reference

fixed typo in cost model api reference

updating docs

fixed some typos