add sql options docs

lua/lazyvim/plugins/extras/lang/sql.lua

@@ -1,3 +1,24 @@
+if lazyvim_docs then
+  -- Automatically configure connections without needing to manually input them each time.
+  vim.g.dbs = {
+    dev = "Replace with your database connection URL.",
+    staging = "Replace with your database connection URL.",
+  }
+  -- or
+  vim.g.dbs = {
+    { name = "dev", url = "Replace with your database connection URL." },
+    { name = "staging", url = "Replace with your database connection URL." },
+  }
+
+  -- NOTICE: Replace yourself path for module
+  -- You can set your secrets directly through a Lua table, for example:
+  vim.g.dbs = require("secrests/db-env")
+
+  -- Alternatively, you can also use other ways to inject your environment variables.
+
+  -- After all, please make sure to protect your secrets and add them to your `.gitignore` file.
+end
+
 local sql_ft = { "sql", "mysql", "plsql" }
 
 return {