Use new snapcraft.yaml thanks popey

snap/local/lubuntu-manual.sh

@@ -0,0 +1,2 @@
+#! /bin/sh
+xdg-open file://$SNAP/build/html/index.html

snap/snapcraft.yaml

@@ -1,23 +1,26 @@
 name: lubuntu-manual # you probably want to 'snapcraft register <name>'
 base: core18 # the base snap is the execution environment for this snap
-version: '20.04-beta' # just for humans, typically '1.2+git' or '1.3.2'
+version: '20.04-alpha' # just for humans, typically '1.2+git' or '1.3.2'
 summary: Documentation for Lubuntu # 79 char long summary
 description: |
   This snap contains the Manual for Lubuntu which includes all of the default program as well as documentation for LXQt. See https://lubuntu.me for more info.
 
 grade: devel # must be 'stable' to release into candidate/stable channels
-confinement: classic # use 'strict' once you have the right plugs and slots
+confinement: strict # use 'strict' once you have the right plugs and slots
 
 parts:
   my-part:
     source: https://phab.lubuntu.me/source/manual.git
-    build-packages: [python3-pip, python3-sphinx, python3-sphinx-rtd-theme, python3-sphinx-bootstrap-theme]   
+    source-type: git
+    build-packages: [python3-pip, python3-sphinx, latexmk, python3-sphinx-rtd-theme, python3-sphinx-bootstrap-theme]   
     plugin: make
     make-parameters: [html]
     artifacts: [build/html/]
+  launcher:
+    source: snap/local
+    plugin: dump
 apps:
- lubuntu-manual:
-    command: /usr/bin/xdg-open /snap/lubuntu-manual/current/build/html/index.html
-
-  
- 
+  lubuntu-manual:
+    command: lubuntu-manual.sh 
+    plugs:
+      - desktop