Nvim restart (#9)

* chore(nvim): remove astronvim and configs

* feat(nvim): new, custom nvim configuration

config/nvim/lua/plugins/marks.lua

@@ -0,0 +1,36 @@
+-- Signs for built-in marks.
+
+return {
+  "chentoast/marks.nvim",
+  config = {
+    -- whether to map keybinds or not. default true
+    default_mappings = true,
+    -- which builtin marks to show. default {}
+    builtin_marks = { ".", "<", ">", "^" },
+    -- whether movements cycle back to the beginning/end of buffer. default true
+    cyclic = true,
+    -- whether the shada file is updated after modifying uppercase marks. default false
+    force_write_shada = false,
+    -- how often (in ms) to redraw signs/recompute mark positions.
+    -- higher values will have better performance but may cause visual lag,
+    -- while lower values may cause performance penalties. default 150.
+    refresh_interval = 250,
+    -- sign priorities for each type of mark - builtin marks, uppercase marks, lowercase
+    -- marks, and bookmarks.
+    -- can be either a table with all/none of the keys, or a single number, in which case
+    -- the priority applies to all marks.
+    -- default 10.
+    sign_priority = { lower = 10, upper = 15, builtin = 8, bookmark = 20 },
+    -- disables mark tracking for specific filetypes. default {}
+    excluded_filetypes = {},
+    -- marks.nvim allows you to configure up to 10 bookmark groups, each with its own
+    -- sign/virttext. Bookmarks can be used to group together positions and quickly move
+    -- across multiple buffers. default sign is '!@#$%^&*()' (from 0 to 9), and
+    -- default virt_text is "".
+    bookmark_0 = {
+      sign = "⚑",
+      virt_text = "hello world",
+    },
+    mappings = {},
+  },
+}