chat groups: establish connection between host and invitee members (#77)

* create group after invitation

* add group invitation to db, show sent and received group invitations

* test creating group and sending invitation

* establish group connections (WIP)

* connect user to the inviter, notification, member classification

tests/Test.hs

@@ -1,14 +1,11 @@
 import ChatTests
 import MarkdownTests
 import ProtocolTests
-import System.Directory (createDirectoryIfMissing, removeDirectoryRecursive)
 import Test.Hspec
 
 main :: IO ()
 main = do
-  createDirectoryIfMissing False "tests/tmp"
   hspec $ do
     describe "SimpleX chat markdown" markdownTests
     describe "SimpleX chat protocol" protocolTests
-    xdescribe "SimpleX chat client" testAddContact
-  removeDirectoryRecursive "tests/tmp"
+    xdescribe "SimpleX chat client" chatTests