fix: Add a welcome view to the Bazel Build Targets tree view (#372)

By showing a welcome view, we draw more attention to the "refresh"
button which might otherwise be overlooked, in particular by newcomers
to this extension which might be particularly prone to an empty build
target list.

Co-authored-by: Cameron Martin <cameronmartin123@gmail.com>

package.json

@@ -432,7 +432,14 @@
                     "when": "bazel.haveWorkspace"
                 }
             ]
-        }
+        },
+        "viewsWelcome": [
+            {
+                "view": "bazelWorkspace",
+                "contents": "No Bazel targets found.\n[Refresh Target List](command:bazel.refreshBazelBuildTargets)",
+                "when": "bazel.haveWorkspace"
+            }
+        ]
     },
     "scripts": {
         "check-lint": "eslint .",

src/bazel/bazel_utils.ts

@@ -97,7 +97,7 @@ function shouldIgnorePath(fsPath: string): boolean {
  * Search for the path to the directory that has the Bazel WORKSPACE file for
  * the given file.
  *
- * If multiple directories along the path to the file has files called
+ * If multiple directories along the path to the file have files called
  * "WORKSPACE", the lowest path is returned.
  *
  * @param fsPath The path to a file in a Bazel workspace.