add custom plugins

lua/custom/plugins/ferris.lua

@@ -0,0 +1,10 @@
+return {
+    'vxpm/ferris.nvim',
+    opts = {
+        -- your options here
+        -- If true, will automatically create commands for each LSP method
+	create_commands = true, -- bool
+	-- Handler for URL's (used for opening documentation)
+	url_handler = "xdg-open", -- string | function(string)
+    }
+}

lua/custom/plugins/filetree.lua

@@ -0,0 +1,15 @@
+-- Unless you are still migrating, remove the deprecated commands from v1.x
+vim.cmd([[ let g:neo_tree_remove_legacy_commands = 1 ]])
+
+return {
+  "nvim-neo-tree/neo-tree.nvim",
+  version = "*",
+  dependencies = {
+    "nvim-lua/plenary.nvim",
+    "nvim-tree/nvim-web-devicons", -- not strictly required, but recommended
+    "MunifTanjim/nui.nvim",
+  },
+  config = function ()
+    require('neo-tree').setup {}
+  end,
+}

lua/custom/plugins/tabby.lua

@@ -0,0 +1,3 @@
+return {
+    "TabbyML/vim-tabby"
+}