Adds new resources (loose files, non NR pkgs, NR modules, NR Plugins)
Adds new tests
#getNodeFiles - new tests below
√ Finds nodes and icons only in nodesDir with files, icons and valid node-red packages
√ Should not find node-red node in nodesDir with files, icons and valid node-red packages
√ Should not find node-red node in nodesDir when regular package and valid node-red packages
#getModuleFiles - new tests below
√ gets a nodes module files
√ Finds only 1 node-red node in nodesDir amongst legacy nodes and regular nodes
√ Finds a node-red node in nodesDir with a sub dir containing valid node-red package
√ Finds 2 node-red node and 1 plugin in nodesDir (in root of dir)
√ Finds 2 node-red node and 1 plugin in nodesDir pointing to a node_modules dir
