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/venv-selector.lua

@@ -0,0 +1,55 @@
+return {
+  "linux-cultist/venv-selector.nvim",
+  branch = "regexp",
+  dependencies = {
+    "neovim/nvim-lspconfig",
+    "nvim-telescope/telescope.nvim",
+    "mfussenegger/nvim-dap-python",
+  },
+  ft = "python",
+  keys = {
+    { "<leader>vs", "<cmd>VenvSelect<cr>", desc = "Select Python venv" },
+    { "<leader>vc", "<cmd>VenvSelectCached<cr>", desc = "Select cached venv" },
+  },
+  opts = {
+    settings = {
+      search = {
+        root = vim.fn.getcwd(),
+        workspace = true,
+        file = true,
+        anaconda_envs = true,
+        anaconda_base = true,
+        pipenv = true,
+        poetry = true,
+        hatch = true,
+        virtualenvs = true,
+        pyenv = true,
+        venv = true,
+      },
+      options = {
+        on_venv_activate_callback = nil,
+        enable_default_searches = true,
+        enable_cached_venvs = true,
+        cached_venv_automatic_activation = true,
+        activate_venv_in_terminal = true,
+        set_environment_variables = true,
+        notify_user_on_venv_activation = true,
+      },
+    },
+  },
+  config = function(_, opts)
+    require("venv-selector").setup(opts)
+
+    -- Auto-select venv when opening Python files
+    vim.api.nvim_create_autocmd("FileType", {
+      pattern = "python",
+      callback = function()
+        local venv = vim.fn.findfile("pyproject.toml", vim.fn.getcwd() .. ";")
+        if venv ~= "" then
+          require("venv-selector").retrieve_from_cache()
+        end
+      end,
+      once = true,
+    })
+  end,
+}