reorganize to multi file config and switch to lazy.nvim for plugins

core/overrides/lspzero.lua

@@ -0,0 +1,17 @@
+local lsp = require('lsp-zero')
+lsp.set_preferences {
+  suggest_lsp_servers = true,
+  setup_servers_on_start = true,
+  set_lsp_keymaps = true,
+  configure_diagnostics = true,
+  cmp_capabilities = true,
+  manage_nvim_cmp = false,
+  call_servers = 'local',
+  sign_icons = {
+    error = 'x',
+    warn = '!',
+    hint = '?',
+    info = 'i'
+  }
+}
+lsp.setup()