nvim: Add Mini for indentblankline and commentary

Replaced indentblankline and vim-commentary both with mini.nvim, which
has both as submodules.

Commentary is replaced exactly and without any end-user changes, simply
transferred to be included in the lua plugin instead.
Indent blankline is a bit simpler but brings with it a new text object
which can be interacted with through `ai` and `ii`, e.g. `vii` select in
current indentation or `dai` delete around current indentation - very
useful.

Also added fuzzy matching algorithm from mini.nvim to telescope as
default sorter.

nvim/.config/nvim/lua/plug/_indent-blankline.lua

@@ -1,18 +0,0 @@
--- Settings for indentBlankline
--- turn off for diff views since we want to compare directly
-if vim.wo.diff then vim.g["indent_blankline_enabled"] = false end
-
-vim.g.indent_blankline_char = "▏"
-
-vim.g.indent_blankline_filetype_exclude = {
-    "help", "undotree", "markdown", "text", "pandoc", "rst", "asciidoc",
-    "vim-plug"
-}
-vim.g.indent_blankline_buftype_exclude = {"terminal"}
-
-vim.g.indent_blankline_use_treesitter = true
-vim.g.indent_blankline_show_first_indent_level = false
-
-vim.g.indent_blankline_show_current_context = true
-vim.g.indent_blankline_context_highlight = "Function"
-vim.g.indent_blankline_context_patterns = {"function", "class", "method"}

nvim/.config/nvim/lua/plug/_mini.lua

@@ -0,0 +1,2 @@
+require('mini.comment').setup()
+require('mini.indentscope').setup({symbol = "│"})

nvim/.config/nvim/lua/plug/_telescope.lua

@@ -9,7 +9,8 @@ require("telescope").setup {
         vimgrep_arguments = {
             'rg', '--ignore-vcs', '--hidden', '--color=never', '--no-heading',
             '--with-filename', '--line-number', '--column', '--smart-case'
-        }
+        },
+        generic_sorter = require('mini.fuzzy').get_telescope_sorter
     },
     pickers = {
         buffers = {theme = "ivy"},

nvim/.config/nvim/lua/plugins.lua

@@ -27,10 +27,6 @@ require("packer").startup(function()
     use 'RRethy/vim-illuminate' -- highlight other occurences of the word under cursor
     use 'ojroques/vim-oscyank' -- yank from *anywhere* (even ssh session) to clipboard, using :OSCYank
     use 'ggandor/lightspeed.nvim' -- jump between letters with improved fFtT quicksearch, mimics sneak
-    -- use { -- weird errors currently
-    --     'lukas-reineke/indent-blankline.nvim', -- show a vertical line for each indentation
-    --     config = function() require('plug._indent-blankline') end
-    -- }
     -- files
     use 'vifm/vifm.vim' -- integrate file manager
     use {
@@ -56,7 +52,6 @@ require("packer").startup(function()
     }
 
     -- editing
-    use {'tpope/vim-commentary', event = "BufRead"} -- easily toggle comments for lines, paragraphs etc with gc
     use {'machakann/vim-sandwich', event = "BufRead"} -- surround things with other things using sa/sd/sr
     use {
         'monaqa/dial.nvim', -- extend the ^a / ^x possibilities to dates, hex, alphabets, markdown headers
@@ -144,6 +139,11 @@ require("packer").startup(function()
 
     --
     -- nvim plugs
+    use {
+        'echasnovski/mini.nvim',
+        branch = 'stable',
+        config = function() require('plug._mini') end
+    }
     use 'Iron-E/nvim-cartographer' -- makes it easier to set mappings through lua
     use 'marty-oehme/zettelkasten.nvim' -- simple static markdown linking
     use {