Move NvimTree file explorer to left side

- Change side from 'right' to 'left' in nvim-tree.lua
  - Update edgy.nvim config to place NvimTree in left panel

lua/cargdev/plugins/nvim-highlight-colors.lua

@@ -0,0 +1,21 @@
+return {
+  "brenoprata10/nvim-highlight-colors",
+  event = { "BufReadPre", "BufNewFile" },
+  opts = {
+    render = "background",
+    virtual_symbol = "■",
+    virtual_symbol_prefix = "",
+    virtual_symbol_suffix = " ",
+    virtual_symbol_position = "inline",
+    enable_hex = true,
+    enable_short_hex = true,
+    enable_rgb = true,
+    enable_hsl = true,
+    enable_var_usage = true,
+    enable_named_colors = true,
+    enable_tailwind = true,
+    custom_colors = {},
+    exclude_filetypes = {},
+    exclude_buftypes = {},
+  },
+}