fix: trim forum post titles

crates/core/src/database/stacks.rs

@@ -155,7 +155,7 @@ impl DataManager {
     /// * `data` - a mock [`UserStack`] object to insert
     pub async fn create_stack(&self, data: UserStack) -> Result<UserStack> {
         // check values
-        if data.name.len() < 2 {
+        if data.name.trim().len() < 2 {
             return Err(Error::DataTooShort("title".to_string()));
         } else if data.name.len() > 32 {
             return Err(Error::DataTooLong("title".to_string()));