Nvim: restructure all plugins configuration

.config/nvim/after/available/ufo.rc.lua

@@ -0,0 +1,12 @@
+vim.wo.foldcolumn = '1'
+vim.wo.foldlevel = 99 -- feel free to decrease the value
+vim.wo.foldenable = true
+
+-- tell the sever the capability of foldingRange
+local capabilities = vim.lsp.protocol.make_client_capabilities()
+capabilities.textDocument.foldingRange = {
+    dynamicRegistration = false,
+    lineFoldingOnly = true
+}
+
+--require('ufo').setup()