[Update] add Linux Wayland clipboard chapter

README.md

@@ -168,8 +168,33 @@ Or if you are using CLI tool, CodeSnap will generate a default config file for y
 All configuration items can be found in [config.rs](https://github.com/mistricky/CodeSnap/blob/main/core/src/config.rs)
 
 
+## Linux Wayland
+Copy screenshots directly into the clipboard is cool, however, it doesn't work well on wl-clipboard, because the wl-clipboard can't paste the content which come from exited processes. As Hyprland document say:
 
 
+> When we copy something on Wayland (using wl-clipboard) and close the application we copied from, the copied data disappears from the clipboard and we cannot paste it anymore. So to fix this problem we can use a program called as wl-clip-persist which will preserve the data in the clipboard after the application is closed. 
+
+
+If you are using CodeSnap on wl-clipboard, you can refer [wl-clip-persist](https://github.com/Linus789/wl-clip-persist), it reads all the clipboard data into memory and then overwrites the clipboard with the data from our memory to persist copied data.
+
+### Save the snapshot
+
+Of course, you can use `CodeSnapSave` command to save the snapshot to path where you defined it in `config.save_path`
+```lua
+require("codesnap").setup({
+  -- The save_path must be ends with .png, unless when you specified a directory path,
+  -- CodeSnap will append an auto-generated filename to the specified directory path
+  -- For example:
+  -- save_path = "~/Pictures"
+  -- parsed: "~/Pictures/CodeSnap_y-m-d_at_h:m:s.png"
+  -- save_path = "~/Pictures/foo.png"
+  -- parsed: "~/Pictures/foo.png"
+  save_path = ...
+})
+```
+
+https://github.com/mistricky/codesnap.nvim/assets/22574136/69b27e77-3dce-4bc3-8516-89ce636fe02d
+
 
 
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