shorten diagnostic source name for more concise editor display (#316)

Author: joshuadavidthomas

crates/djls-ide/src/diagnostics.rs

@@ -29,7 +29,7 @@ trait DiagnosticError: std::fmt::Display {
                 self.diagnostic_code().to_string(),
             )),
             code_description: None,
-            source: Some("Django Language Server".to_string()),
+            source: Some(crate::SOURCE_NAME.to_string()),
             message: self.message(),
             related_information: None,
             tags: None,

crates/djls-ide/src/lib.rs

@@ -13,3 +13,5 @@ pub use snippets::generate_partial_snippet;
 pub use snippets::generate_snippet_for_tag;
 pub use snippets::generate_snippet_for_tag_with_end;
 pub use snippets::generate_snippet_from_args;
+
+pub const SOURCE_NAME: &str = "djls";