Add some more haxelib dependencies to the README.

I just copied these directly from the github actions script.
It'll be easier to know when they aren't in sync.

Closes #32

README.md

@@ -4,14 +4,21 @@ https://github.com/snikket-im/snikket-sdk
 
 Working towards simplicity in developing Snikket-compatible apps.
 
-    haxelib git jsImport https://github.com/back2dos/jsImport
-    haxelib install datetime
-    haxelib install haxe-strings
-    haxelib install hsluv
-    haxelib install tink_http
-    haxelib install sha
-    haxelib install thenshim
-    haxelib install HtmlParser
+  haxelib setup ~/haxe
+  haxelib --quiet git jsImport https://github.com/back2dos/jsImport
+  haxelib --quiet install datetime
+  haxelib --quiet install haxe-strings
+  haxelib --quiet install hsluv
+  haxelib --quiet install tink_http
+  haxelib --quiet install sha
+  haxelib --quiet install thenshim
+  haxelib --quiet install HtmlParser
+  haxelib --quiet install hxnodejs
+  haxelib --quiet git hxtsdgen https://github.com/singpolyma/hxtsdgen
+  haxelib --quiet install utest
+  haxelib --quiet git hxcpp https://github.com/HaxeFoundation/hxcpp
+  cd ~/haxe/hxcpp/git/tools/hxcpp
+    haxe compile.hxml
     make
 
 # JavaScript