Nvim restart (#9)

* chore(nvim): remove astronvim and configs

* feat(nvim): new, custom nvim configuration

config/nvim/lua/plugins/pretty-fold.lua

@@ -0,0 +1,55 @@
+-- Fold code.
+
+return {
+  "anuvyklack/pretty-fold.nvim",
+  config = {
+    fill_char = "•",
+    sections = {
+      left = {
+        "content",
+      },
+      right = {
+        " ",
+        "number_of_folded_lines",
+        ": ",
+        "percentage",
+        " ",
+        function(config) return config.fill_char:rep(3) end,
+      },
+    },
+
+    remove_fold_markers = false,
+
+    -- Keep the indentation of the content of the fold string.
+    keep_indentation = true,
+
+    -- Possible values:
+    -- "delete" : Delete all comment signs from the fold string.
+    -- "spaces" : Replace all comment signs with equal number of spaces.
+    -- false    : Do nothing with comment signs.
+    process_comment_signs = "spaces",
+
+    -- Comment signs additional to the value of `&commentstring` option.
+    comment_signs = {
+      { "/**", "*/" }, -- multiline comment
+      { "<!--", "-->" }, -- multiline comment
+      { "%--[[", "--]]" }, -- multiline comment
+    },
+
+    -- List of patterns that will be removed from content foldtext section.
+    stop_words = {
+      "@brief%s*", -- (for C++) Remove '@brief' and all spaces after.
+    },
+
+    add_close_pattern = true,
+    matchup_patterns = {
+      { "{", "}" },
+      { "%(", ")" }, -- % to escape lua pattern char
+      { "%[", "]" }, -- % to escape lua pattern char
+      { "if%s", "end" },
+      { "do%s", "end" },
+      { "for%s", "end" },
+      { "function%s*%(", "end" }, -- 'function(' or 'function ('
+    },
+  },
+}