public boolean enable(ResourceFile bundleFile) {
		GhidraBundle bundle = bundleMap.get(bundleFile);
		if (bundle == null) {
			bundle = add(bundleFile, true, false);
			return true;
		}
		if (bundleFile.exists() && bundle instanceof GhidraPlaceholderBundle) {
			remove(bundle);
			add(bundleFile, true, false);
			return true;
		}
		return enable(bundle);
	}
If a {@link GhidraBundle} hasn't already been added for {@code bundleFile}, add it now as a 
non-system bundle.

<p>Enable the bundle.

@param bundleFile the bundle file to (add and) enable
@return false if the bundle was already enabled
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/osgi/BundleHost.java