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/git-blame.lua

@@ -0,0 +1,24 @@
+return {
+  "f-person/git-blame.nvim",
+  event = "VeryLazy",
+  opts = {
+    enabled = false, -- Start disabled, toggle with <leader>gB
+    message_template = " <author> • <date> • <summary>",
+    date_format = "%Y-%m-%d",
+    virtual_text_column = 80, -- Push to column 80 to avoid overlap
+    highlight_group = "Comment",
+    set_extmark_options = {
+      priority = 1, -- Lower priority so diagnostics show on top
+    },
+    display_virtual_text = true,
+    ignored_filetypes = { "NvimTree", "neo-tree", "lazy", "mason", "help" },
+    delay = 500,
+    message_when_not_committed = "",
+  },
+  keys = {
+    { "<leader>gB", "<cmd>GitBlameToggle<cr>", desc = "Toggle git blame" },
+    { "<leader>gbc", "<cmd>GitBlameCopySHA<cr>", desc = "Copy commit SHA" },
+    { "<leader>gbo", "<cmd>GitBlameOpenCommitURL<cr>", desc = "Open commit URL" },
+    { "<leader>gbf", "<cmd>GitBlameOpenFileURL<cr>", desc = "Open file URL" },
+  },
+}