nvim: Change blankline, Update treesitter settings

Updated treesitter setting to remove use of deprecated 'maintained'
option and simply replaced it to use 'all' treesitter syntaxes (haven't
had a problem with it so far).

Changed blankline options slightly to remove annoying animations and
quick switching of which blankline it shows depending on where my cursor
is -- both proved to be too much of a distraction when I just need to
interact with the indentation context every now and again and it should
just allow me a quick glance at the indentation level the rest of the
time.

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

@@ -1,2 +1,7 @@
 require('mini.comment').setup()
-require('mini.indentscope').setup({symbol = "│"})
+require('mini.indentscope').setup({
+    symbol = "│",
+    draw = {animation = require('mini.indentscope').gen_animation('none')},
+    options = {indent_at_cursor = false}
+})
+require('mini.trailspace').setup()

nvim/.config/nvim/lua/plug/_treesitter.lua

@@ -1,6 +1,6 @@
 require'nvim-treesitter.configs'.setup {
     -- one of "all", "maintained" (parsers with maintainers), or a list of languages
-    ensure_installed = "maintained",
+    ensure_installed = "all",
     highlight = {enable = true},
     incremental_selection = {enable = true},
     textobjects = {enable = true},