Rename dav crate to caldav to prepare splitting dav functionality into dav crate

crates/dav/src/namespace.rs

@@ -1,44 +0,0 @@
-use quick_xml::events::attributes::Attribute;
-
-// An enum keeping track of the XML namespaces used for WebDAV and its extensions
-//
-// Can also generate appropriate attributes for quick_xml
-pub enum Namespace {
-    Dav,
-    CalDAV,
-    CardDAV,
-    ICal,
-    CServer,
-    Nextcloud,
-}
-
-impl Namespace {
-    pub fn as_str(&self) -> &'static str {
-        match self {
-            Self::Dav => "DAV:",
-            Self::CalDAV => "urn:ietf:params:xml:ns:caldav",
-            Self::CardDAV => "urn:ietf:params:xml:ns:carddav",
-            Self::ICal => "http://apple.com/ns/ical/",
-            Self::CServer => "http://calendarserver.org/ns/",
-            Self::Nextcloud => "http://nextcloud.com/ns",
-        }
-    }
-
-    // Returns an opinionated namespace attribute name
-    pub fn xml_attr(&self) -> &'static str {
-        match self {
-            Self::Dav => "xmlns",
-            Self::CalDAV => "xmlns:C",
-            Self::CardDAV => "xmlns:CARD",
-            Self::ICal => "xmlns:IC",
-            Self::CServer => "xmlns:CS",
-            Self::Nextcloud => "xmlns:NEXTC",
-        }
-    }
-}
-
-impl From<Namespace> for Attribute<'static> {
-    fn from(value: Namespace) -> Self {
-        (value.xml_attr(), value.as_str()).into()
-    }
-}