List nvim plugins (#27)

scripts/nvim-plugins.nu

@@ -0,0 +1,31 @@
+'
+local plugins = {}
+local installed_plugins = require("lazy").plugins()
+for _, plugin in ipairs(installed_plugins) do
+  local handle = plugin[1]
+  local name = plugin.name or handle
+  local url = plugin.url
+
+  if url and url:find("https://github.com") then
+    local name_parts = vim.split(handle, "/")
+    if #name_parts == 2 then
+      local author = name_parts[1]
+
+      table.insert(plugins, {
+          name = name,
+          handle = handle,
+          url = url,
+          author = author,
+          })
+    end
+  end
+end
+print(vim.json.encode(plugins))
+'
+| do {
+  ^nvim -u ~/.config/nvim/init.lua -l /dev/stdin
+}
+| complete
+| get stderr
+| from json
+| where author != local