feat: Send image / video / file dialog

lib/l10n/intl_messages.arb

@@ -1,5 +1,5 @@
 {
-  "@@last_modified": "2020-08-16T12:43:17.825046",
+  "@@last_modified": "2020-09-04T14:58:35.809079",
   "About": "About",
   "@About": {
     "type": "text",
@@ -1184,6 +1184,11 @@
     "type": "text",
     "placeholders": {}
   },
+  "Send audio": "Send audio",
+  "@Send audio": {
+    "type": "text",
+    "placeholders": {}
+  },
   "Send file": "Send file",
   "@Send file": {
     "type": "text",
@@ -1194,6 +1199,16 @@
     "type": "text",
     "placeholders": {}
   },
+  "Send original": "Send original",
+  "@Send original": {
+    "type": "text",
+    "placeholders": {}
+  },
+  "Send video": "Send video",
+  "@Send video": {
+    "type": "text",
+    "placeholders": {}
+  },
   "sentAFile": "{username} sent a file",
   "@sentAFile": {
     "type": "text",

lib/l10n/l10n.dart

@@ -735,10 +735,16 @@ class L10n extends MatrixLocalizations {
 
   String get sendAMessage => Intl.message("Send a message");
 
+  String get sendAudio => Intl.message('Send audio');
+
   String get sendFile => Intl.message('Send file');
 
   String get sendImage => Intl.message('Send image');
 
+  String get sendOriginal => Intl.message('Send original');
+
+  String get sendVideo => Intl.message('Send video');
+
   String sentAFile(String username) => Intl.message(
         "$username sent a file",
         name: "sentAFile",

lib/l10n/messages_messages.dart

@@ -394,8 +394,11 @@ class MessageLookup extends MessageLookupByLibrary {
         "Send": MessageLookupByLibrary.simpleMessage("Send"),
         "Send a message":
             MessageLookupByLibrary.simpleMessage("Send a message"),
+        "Send audio": MessageLookupByLibrary.simpleMessage("Send audio"),
         "Send file": MessageLookupByLibrary.simpleMessage("Send file"),
         "Send image": MessageLookupByLibrary.simpleMessage("Send image"),
+        "Send original": MessageLookupByLibrary.simpleMessage("Send original"),
+        "Send video": MessageLookupByLibrary.simpleMessage("Send video"),
         "Set a profile picture":
             MessageLookupByLibrary.simpleMessage("Set a profile picture"),
         "Set group description":