[vim] migration to 0.11 and native lsp client

nvim/lsp/bashls.lua

@@ -0,0 +1,25 @@
+return {
+  cmd = { 'bash-language-server', 'start' },
+  filetypes = { 'bash', 'sh', 'zsh' },
+  root_markers = { '.git', vim.uv.cwd() },
+  settings = {
+    bashIde = {
+      globPattern = vim.env.GLOB_PATTERN or '*@(.sh|.inc|.bash|.command)',
+      -- Modern formatting options (requires shfmt)
+      tabSize = 2,
+      insertSpaces = true,
+      -- Enable comprehensive features like Ruby LSP
+      enableSourceErrorDiagnostics = true,
+      enableCodeLens = true,
+      includeAllWorkspaceSymbols = true,
+      -- Background analysis for better performance
+      backgroundAnalysisMaxFiles = 500,
+      -- ShellCheck integration for linting
+      shellcheckPath = 'shellcheck',
+      shellcheckArguments = {
+        '--shell=bash',
+        '--format=json',
+      },
+    },
+  },
+}