Update Elixir and Phoenix detections

src/technologies/e.json

@@ -679,6 +679,7 @@
     "description": "Elixir is a dynamic, functional language designed for building scalable and maintainable applications.",
     "icon": "Elixir.png",
     "implies": "Erlang",
+    "oss": true,
     "website": "https://elixir-lang.org"
   },
   "Ellucian CRM Recruit": {

src/technologies/p.json

@@ -1184,9 +1184,10 @@
     "cats": [
       18
     ],
-    "description": "Phoenix is a productive web framework that does not compromise speed and maintainability.",
+    "description": "Phoenix Framework is an open-source web application framework built using the Elixir programming language.",
     "icon": "Phoenix Framework.png",
     "implies": "Elixir",
+    "oss": true,
     "website": "https://www.phoenixframework.org"
   },
   "Phoenix LiveView": {
@@ -1194,12 +1195,13 @@
       18
     ],
     "description": "Phoenix LiveView is a library that brings live, interactive, real-time user experiences to your Phoenix applications.",
-    "dom": "[data-phx-session]",
+    "dom": "div[data-phx-session]",
     "icon": "Phoenix Framework.png",
     "implies": "Phoenix Framework",
     "js": {
       "liveSocket.socket": ""
     },
+    "oss": true,
     "website": "https://hexdocs.pm/phoenix_live_view/Phoenix.LiveView.html"
   },
   "Phoenix Site": {