feat(null_ls): add ruff and remove isort in favor of ruff

lua/plugins/gitlinker.lua

@@ -4,6 +4,7 @@ return {
     require('gitlinker').setup {
       callbacks = {
         ['git.aflabs.org'] = require('gitlinker.hosts').get_gitlab_type_url,
+        ['git.janezic.dev'] = require('gitlinker.hosts').get_gitea_type_url,
       },
     }
   end,

lua/plugins/lsp.lua

@@ -52,7 +52,7 @@ return {
       'simrat39/rust-tools.nvim',
 
       -- Useful status updates for LSP
-      { 'j-hui/fidget.nvim', opts = {} },
+      { 'j-hui/fidget.nvim', opts = {}, tag='legacy' },
 
       -- Additional lua configuration, makes nvim stuff amazing!
       'folke/neodev.nvim',

lua/plugins/null_ls.lua

@@ -12,7 +12,7 @@ return {
         -- python
         -- null_ls.builtins.diagnostics.pylint,
         null_ls.builtins.formatting.black,
-        null_ls.builtins.formatting.isort,
+        null_ls.builtins.diagnostics.ruff,
         -- typescript
         null_ls.builtins.formatting.prettier,
         -- lua

lua/plugins/oil.lua

@@ -2,7 +2,7 @@ return {
   'stevearc/oil.nvim',
   dependencies = { 'nvim-tree/nvim-web-devicons' },
   config = function()
-    require('oil').setup()
+    require('oil').setup { view_options = { show_hidden = true } }
     vim.keymap.set('n', '-', require('oil').open, { desc = 'Open parent directory' })
   end,
 }