Support slash in mount (#288)

* Support slash in mount

* Update hashicorp_vault.rs

* Update hashicorp_vault.rs

Author: romans-ovo

teller-providers/src/providers/hashicorp_vault.rs

@@ -89,11 +89,14 @@ impl Hashivault {
 
 fn parse_path(pm: &PathMap) -> Result<(&str, &str, &str)> {
     let (engine, full_path) = (pm.protocol.as_deref().unwrap_or("kv2"), pm.path.as_str());
-    let (mount, path) = full_path.split_once('/').ok_or_else(|| {
-        Error::Message(
-            "path must have initial mount seperated by '/', e.g. `secret/foo`".to_string(),
-        )
-    })?;
+    let (mount, path) = full_path
+        .split_once("://")
+        .or_else(|| full_path.split_once('/'))
+        .ok_or_else(|| {
+            Error::Message(
+                "path must have initial mount seperated by '/', e.g. `secret/foo`".to_string(),
+            )
+        })?;
     Ok((engine, mount, path))
 }