feat: add health check

chore: show status for each formater

lua/hurl/health.lua

@@ -0,0 +1,28 @@
+local M = {}
+
+local start = vim.health.start or vim.health.report_start
+local ok = vim.health.ok or vim.health.report_ok
+local error = vim.health.error or vim.health.report_error
+
+-- Add health check for default formatter: jq and prettier
+function M.check()
+  start('hurl.nvim health check')
+  local jq = vim.fn.executable('jq')
+  local prettier = vim.fn.executable('prettier')
+
+  if jq == 0 then
+    error('jq not found')
+  else
+    ok('jq found')
+  end
+
+  if prettier == 0 then
+    error('prettier not found')
+  else
+    ok('prettier found')
+  end
+
+  ok('hurl.nvim: All good!')
+end
+
+return M