word casing manipulation and jsdoc bundles

* [vim-abolish](https://github.com/tpope/vim-abolish.git) Easily search for, substitute, and abbreviate multiple variants of a word
  * `crc`: change word to camel case (fooBar)
  * `crs`: change word to snake case (foo_bar)
  * `crm`: change word to mixed case (FooBar)
  * `cru`: change word to upper case (FOO_BAR)
  * `cr-`: change word to dash case (foo-bar)
  * `cr.`: change word to dash case (foo.bar)
* [vim-jsdoc](https://github.com/heavenshell/vim-jsdoc.git) Generate JsDoc to your JavaScript code.
  * `<leader>d`: Insert JsDoc.