refractor(nvim): Put lang specific config to plugins/mod/lang

* Local leader to <C-k>
* Add org mappings to match emacs behaviour
* Put lang specific config to plugins/mod/lang, currently markdown and
org

tools/nvim/lua/plugins/mod/obsidian-nvim.lua

@@ -1,69 +0,0 @@
-return {
-  "epwalsh/obsidian.nvim",
-  version = "*", -- recommended, use latest release instead of latest commit
-  -- lazy = false,
-  ft = "markdown",
-
-  cmd = {
-    "ObsidianNewFromTemplate",
-    "ObsidianToggleCheckbox",
-    "ObsidianQuickSwitch",
-    "ObsidianExtractNote",
-    "ObsidianFollowLink",
-    "ObsidianBacklinks",
-    "ObsidianWorkspace",
-    "ObsidianYesterday",
-    "ObsidianPasteImg",
-    "ObsidianTomorrow",
-    "ObsidianTemplate",
-    "ObsidianDailies",
-    "ObsidianLinkNew",
-    "ObsidianRename",
-    "ObsidianSearch",
-    "ObsidianCheck",
-    "ObsidianLinks",
-    "ObsidianToday",
-    "ObsidianDebug",
-    "ObsidianOpen",
-    "ObsidianTags",
-    "ObsidianLink",
-    "ObsidianNew",
-    "ObsidianTOC",
-  },
-  -- Replace the above line with this if you only want to load obsidian.nvim for markdown files in your vault:
-  -- event = {
-  --   -- If you want to use the home shortcut '~' here you need to call 'vim.fn.expand'.
-  --   -- E.g. "BufReadPre " .. vim.fn.expand "~" .. "/my-vault/*.md"
-  --   -- refer to `:h file-pattern` for more examples
-  --   "BufReadPre path/to/my-vault/*.md",
-  --   "BufNewFile path/to/my-vault/*.md",
-  -- },
-  dependencies = {
-    -- Required.
-    "nvim-lua/plenary.nvim",
-
-    -- see below for full list of optional dependencies 👇
-  },
-  opts = {
-    workspaces = {
-      {
-        name = "personal",
-        path = "~/Obsidian",
-      },
-    },
-    completion = {
-      nvim_cmp = true,
-      min_chars = 2,
-    },
-    ui = {
-      enable = false,
-    },
-    -- see below for full list of options 👇
-    attachments = {
-      img_folder = "_Global/Assets",
-      img_name_func = function()
-        return string.format("%s-", os.time())
-      end,
-    },
-  },
-}