updates README and reorganizes directory

doc/book.toml

@@ -0,0 +1,26 @@
+[book]
+authors = ["Codeberg Contributors"]
+language = "en"
+multilingual = true
+src = "src"
+title = "Pages"
+
+[preprocessor.toc]
+command = "mdbook-toc"
+renderer = ["html"]
+max-level = 5
+
+[output.html]
+curly-quotes = true
+git-repository-url = "https://codeberg.org/codeberg/pages-server"
+git-repository-icon = "fa-git"
+
+[output.html.playground]
+editable = true
+
+[output.html.search]
+enable = true
+
+[build]
+create-missing = false
+