add sentence textobject plugin

.config/nvim/init.vim

@@ -43,6 +43,11 @@ Plug 'christoomey/vim-tmux-navigator'
 Plug 'tpope/vim-commentary' " easily toggle comments for lines, paragraphs etc with gc
 Plug 'tommcdo/vim-exchange' " adds exchange operator with cx. common use: cxiw . on 2 words to switch
 Plug 'tpope/vim-surround' " lets you change surrounding things with cs (or ds to del, ys to add)
+
+Plug 'kana/vim-textobj-user' " dependency for most other textobj plugins
+Plug 'reedes/vim-textobj-sentence' " extends the capabilities of sentence detection
+" and allows you to jump to the *end* of this <g)> or last <g(> sentence.
+
 Plug 'jiangmiao/auto-pairs' " Auto close brackets and ''
 
 " Ecosystem
@@ -60,7 +65,7 @@ Plug 'mhartington/nvim-typescript', {'do': './install.sh'}
 Plug 'valloric/matchtagalways'
 Plug 'alvan/vim-closetag'
 
-" Markdown Workflow
+" Markdown & Prose Workflow
 Plug 'reedes/vim-pencil' " provide md convenience functions like hard/softwrap
 Plug 'junegunn/goyo.vim' " provide distraction free writing
 Plug 'junegunn/limelight.vim' " provide even distraction free-er writing (lowlight paragraphs)
@@ -121,6 +126,14 @@ augroup END
 " enable syntax highlighting for codeblocks WITHIN markdown
 let g:markdown_fenced_languages = ['html', 'python', 'bash=sh', 'javascipt', 'go']
 
+" PLUGIN: vim-textobj-sentence
+" enable extended sentence textobject use on md and plaintext files
+augroup textobj_sentence
+  autocmd!
+  autocmd FileType mkd call textobj#sentence#init()
+  autocmd FileType txt call textobj#sentence#init()
+augroup END
+
 " PLUGIN: vim-pencil
 " set default wrap mode to hard - I should test which mode works better for
 " me, though I would venture a guess that hard is preferable