Move all entities to their own folder.

src/database/guards/mod.rs

@@ -0,0 +1,19 @@
+/**
+// ! FIXME
+impl<'r> FromParam<'r> for User {
+    type Error = &'r RawStr;
+
+    fn from_param(param: &'r RawStr) -> Result<Self, Self::Error> {
+        Err(param)
+        /*if let Ok(result) = fetch_channel(param).await {
+            if let Some(channel) = result {
+                Ok(channel)
+            } else {
+                Err(param)
+            }
+        } else {
+            Err(param)
+        }*/
+    }
+}
+*/