[Manual] Add scripts and raw wiki

Wiki/tiddlers/sed_Snippets.tid

@@ -0,0 +1,11 @@
+created: 20220924130815541
+modified: 20230206111552365
+modifier: Octt
+tags: Snippets $:/i18n:en
+title: sed/Snippets
+
+!!! Replace for all files in all subdirectories
+
+```sh
+find ./ -type f -exec sed -i "s/Old/New/g" {} \;
+```