Add install_data() rename snippet

docs/markdown/snippets/install_data-rename.md

@@ -0,0 +1,11 @@
+## install_data() supports rename
+
+`rename` parameter is used to change names of the installed files.
+In order to install
+- `file1.txt` into `share/myapp/dir1/data.txt`
+- `file2.txt` into `share/myapp/dir2/data.txt`
+```meson
+install_data(['file1.txt', 'file2.txt'],
+             rename : ['dir1/data.txt', 'dir2/data.txt'],
+             install_dir : 'share/myapp')
+```