docs: add the trash specification link to the remove command

docs/configuration/keymap.md

@@ -89,7 +89,7 @@ If you haven't created and used your own configuration file yet, please see [Con
   - `--relative`: Use a relative path for the symbolic link.
   - `--force`: Overwrite the destination file if it exists.
 
-- remove: Move the files to the trash/recycle bin.
+- remove: Move the files to the trash/recycle bin on macOS/Windows. For Linux, it will follow [The FreeDesktop.org Trash specification](https://specifications.freedesktop.org/trash-spec/trashspec-1.0.html).
 
   - `--force`: Don't show the confirmation dialog, and trash/delete files directly.
   - `--permanently`: Permanently delete the files.

docs/plugin/api.md

@@ -532,7 +532,7 @@ Meta methods:
 - `__len()`
 - `__pairs()`
 
-### `folder:File`
+### `folder::File`
 
 Based on [File](#file), with the following additional methods:
 
@@ -593,16 +593,58 @@ Properties:
 
 ## Isolate context
 
+### fs
+
 TODO
 
-### fs
+Functions:
+
+- `write(url, data)`
+- `metadata(url)`
+- `symlink_metadata(url)`
 
 ### Child
 
+TODO
+
+Methods:
+
+- `read(len)`
+- `read_line()`
+- `read_line_with(opts)`
+- `wait()`
+- `start_kill()`
+
 ### Command
 
+TODO
+
+Methods:
+
+- `arg(arg)`
+- `args(args)`
+- `env(key, value)`
+- `stdin(cfg)`
+- `stdout(cfg)`
+- `stderr(cfg)`
+- `spawn()`
+- `output()`
+
 ### Output
 
+TODO
+
+Properties:
+
+- `status`
+- `stdout`
+- `stderr`
+
 ### Status
 
+Methods:
+
+- `success()`
+- `code()`
+
 TODO