feat: Show Java module when build.sbt is present (#505)

* feat: Show Java icon and info when build.sbt detected

* docs: Mention build.sbt detection

src/modules/java.rs

@@ -8,11 +8,11 @@ use super::{Context, Module};
 ///
 /// Will display the Java version if any of the following criteria are met:
 ///     - Current directory contains a file with a `.java`, `.class` or `.jar` extension
-///     - Current directory contains a `pom.xml` or `build.gradle` file
+///     - Current directory contains a `pom.xml`, `build.gradle` or `build.sbt` file
 pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
     let is_java_project = context
         .try_begin_scan()?
-        .set_files(&["pom.xml", "build.gradle"])
+        .set_files(&["pom.xml", "build.gradle", "build.sbt"])
         .set_extensions(&["java", "class", "jar"])
         .is_match();