fix: Re-export Level at the top-level

Author: epage

benches/bench.rs

@@ -1,4 +1,4 @@
-use annotate_snippets::{level::Level, AnnotationKind, Group, Renderer, Snippet};
+use annotate_snippets::{AnnotationKind, Group, Level, Renderer, Snippet};
 
 #[divan::bench]
 fn simple() -> String {

examples/custom_error.rs

@@ -1,5 +1,5 @@
 use annotate_snippets::renderer::OutputTheme;
-use annotate_snippets::{level::Level, AnnotationKind, Group, Renderer, Snippet};
+use annotate_snippets::{AnnotationKind, Group, Level, Renderer, Snippet};
 
 fn main() {
     let source = r#"//@ compile-flags: -Ztreat-err-as-bug

examples/custom_level.rs

@@ -1,5 +1,5 @@
 use annotate_snippets::renderer::OutputTheme;
-use annotate_snippets::{level::Level, AnnotationKind, Group, Patch, Renderer, Snippet};
+use annotate_snippets::{AnnotationKind, Group, Level, Patch, Renderer, Snippet};
 
 fn main() {
     let source = r#"// Regression test for issue #114529

examples/expected_type.rs

@@ -1,4 +1,4 @@
-use annotate_snippets::{level::Level, AnnotationKind, Group, Renderer, Snippet};
+use annotate_snippets::{AnnotationKind, Group, Level, Renderer, Snippet};
 
 fn main() {
     let source = r#"                annotations: vec![SourceAnnotation {

examples/footer.rs

@@ -1,4 +1,4 @@
-use annotate_snippets::{level::Level, AnnotationKind, Group, Renderer, Snippet};
+use annotate_snippets::{AnnotationKind, Group, Level, Renderer, Snippet};
 
 fn main() {
     let message = Level::ERROR

examples/format.rs

@@ -1,4 +1,4 @@
-use annotate_snippets::{level::Level, AnnotationKind, Group, Renderer, Snippet};
+use annotate_snippets::{AnnotationKind, Group, Level, Renderer, Snippet};
 
 fn main() {
     let source = r#") -> Option<String> {

examples/highlight_source.rs

@@ -1,4 +1,4 @@
-use annotate_snippets::{level::Level, AnnotationKind, Group, Renderer, Snippet};
+use annotate_snippets::{AnnotationKind, Group, Level, Renderer, Snippet};
 
 fn main() {
     let source = r#"//@ compile-flags: -Z teach

examples/highlight_title.rs

@@ -1,4 +1,4 @@
-use annotate_snippets::{level::Level, AnnotationKind, Group, Renderer, Snippet};
+use annotate_snippets::{AnnotationKind, Group, Level, Renderer, Snippet};
 use anstyle::Effects;
 
 fn main() {

examples/multislice.rs

@@ -1,4 +1,4 @@
-use annotate_snippets::{level::Level, Annotation, Group, Renderer, Snippet};
+use annotate_snippets::{Annotation, Group, Level, Renderer, Snippet};
 
 fn main() {
     let message = Level::ERROR.message("mismatched types").group(

src/lib.rs

@@ -53,6 +53,8 @@ pub fn normalize_untrusted_str(s: &str) -> String {
     renderer::normalize_whitespace(s)
 }
 
+#[doc(inline)]
+pub use level::Level;
 #[doc(inline)]
 pub use renderer::Renderer;
 pub use snippet::ColumnSeparator;