Add custom plugins: oil, neogit, render-markdown, metals, tokyonight transparency

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

lua/custom/plugins/metals.lua

@@ -0,0 +1,23 @@
+return {
+  'scalameta/nvim-metals',
+  dependencies = { 'nvim-lua/plenary.nvim' },
+  ft = { 'scala', 'sbt', 'java' },
+  opts = function()
+    local metals_config = require('metals').bare_config()
+    metals_config.settings = {
+      showImplicitArguments = true,
+      showImplicitConversionsAndClasses = true,
+      showInferredType = true,
+      superMethodLensesEnabled = true,
+    }
+    return metals_config
+  end,
+  config = function(self, metals_config)
+    local nvim_metals_group = vim.api.nvim_create_augroup('nvim-metals', { clear = true })
+    vim.api.nvim_create_autocmd('FileType', {
+      pattern = self.ft,
+      callback = function() require('metals').initialize_or_attach(metals_config) end,
+      group = nvim_metals_group,
+    })
+  end,
+}

lua/custom/plugins/neogit.lua

@@ -0,0 +1,9 @@
+return {
+  'NeogitOrg/neogit',
+  dependencies = {
+    'nvim-lua/plenary.nvim',
+    'sindrets/diffview.nvim',
+    'nvim-telescope/telescope.nvim',
+  },
+  config = true,
+}

lua/custom/plugins/oil.lua

@@ -0,0 +1,13 @@
+return {
+  'stevearc/oil.nvim',
+  dependencies = { 'nvim-tree/nvim-web-devicons' },
+  lazy = false,
+  opts = {
+    default_file_explorer = true,
+    view_options = { show_hidden = true },
+  },
+  keys = {
+    { '-', '<CMD>Oil<CR>', desc = 'Open parent directory' },
+    { '<leader>e', '<CMD>Oil<CR>', desc = 'Open file [E]xplorer' },
+  },
+}

lua/custom/plugins/render-markdown.lua

@@ -0,0 +1,7 @@
+return {
+  'MeanderingProgrammer/render-markdown.nvim',
+  dependencies = { 'nvim-treesitter/nvim-treesitter', 'nvim-mini/mini.nvim' },
+  ---@module 'render-markdown'
+  ---@type render.md.UserConfig
+  opts = {},
+}

lua/custom/plugins/tokyonight.lua

@@ -0,0 +1,16 @@
+return {
+  'folke/tokyonight.nvim',
+  priority = 1000,
+  config = function()
+    ---@diagnostic disable-next-line: missing-fields
+    require('tokyonight').setup {
+      transparent = true,
+      styles = {
+        sidebars = 'transparent',
+        floats = 'transparent',
+        comments = { italic = false },
+      },
+    }
+    vim.cmd.colorscheme 'tokyonight-night'
+  end,
+}