docs: Update README.md and CREATE.md with more info for Lazy users

CREATE.md

@@ -143,6 +143,26 @@ require("lazy").setup({
     { dir = '/home/your_username_here/projects/cool_name', lazy = true },
 }
 ```
+
+Alternatively, if you organize your plugins by having a separate file for each
+one in a dedicated plugins directory (e.g. ~/.config/nvim/lua/plugins),
+you should instead call setup in init.lua as you would normally:
+
+```lua
+-- ~/.config/nvim/init.lua
+require("lazy").setup("plugins")
+```
+
+And treat Lush and your colorscheme directory as you would any other plugin,
+for example in lush.lua:
+
+```lua
+-- ~/.config/nvim/lua/plugins/lush.lua
+return {
+    "rktjmp/lush.nvim",
+    { dir = '/home/your_username_here/projects/cool_name', lazy = true },
+}
+```
 Note that it may not show up in the menu if you enter, for example, `:colorscheme <tab>`. However, the following should work:
 
 ```vimscript

README.md

@@ -50,6 +50,16 @@ Install via any package management system, for example, paq:
 require paq { 'rktjmp/lush.nvim' }
 ```
 
+Via Lazy:
+
+```lua
+return {
+    "rktjmp/lush.nvim",
+    -- if you wish to use your own colorscheme:
+    -- { dir = '/absolute/path/to/colorscheme', lazy = true },
+}
+```
+
 Interactive Tutorial
 ---------------------