Add basic snap package files, transmission-remote-gui#1109

Author: PeterDaveHello

.gitignore

@@ -1,3 +1,11 @@
+
+# snap package build via snapcraft
+/*.snap
+/snap/.snapcraft/
+/stage/
+/parts/
+/prime/
+
 ### https://raw.github.com/github/gitignore/8edb8a95c4c4b3dce71a378aaaf89275510b9cef/Global/Lazarus.gitignore
 
 # Lazarus compiler-generated binaries (safe to delete)

snap/local/transgui.desktop

@@ -0,0 +1,14 @@
+[Desktop Entry]
+Version=1.0
+Name=TransGUI
+GenericName=Transmission Remote GUI
+Comment=Transmission Remote GUI
+Exec=@bindir@/transgui
+TryExec=@bindir@/transgui
+Icon=transgui
+Terminal=false
+Type=Application
+Categories=Internet;
+MimeType=application/x-bittorrent
+X-KDE-Protocols=magnet
+Keywords=Torrent;Transmission;

snap/snapcraft.yaml

@@ -0,0 +1,60 @@
+---
+name: transgui
+version: version
+summary: Transmission Remote GUI
+version-script: cat VERSION.txt
+description: |
+  Transmission Remote GUI is feature rich cross platform front-end
+  to remotely control Transmission daemon via its RPC protocol.
+  It is faster and has more functionality than builtin Transmission
+  web interface.
+icon: transgui.png
+grade: stable
+confinement: strict
+
+parts:
+  transgui:
+    plugin: dump
+    source: .
+    prime:
+      - etc
+      - usr
+      - var
+      - lib
+      - lang
+      - LICENSE
+      - transgui
+      - transgui.desktop
+      - README.md
+      - history.txt
+      - transgui.png
+    override-build: |
+      snapcraftctl build
+      sed -i 's|Icon=transgui|Icon=${SNAP}/transgui.png|' ${SNAPCRAFT_PART_INSTALL}/transgui.desktop
+    build-packages:
+      - git
+      - make
+      - lazarus
+      - coreutils
+    stage-packages:
+      - libx11-6
+      - libcairo2
+      - libssl-dev
+      - libatk1.0-0
+      - libgtk2.0-0
+      - libglib2.0-0
+      - libpango-1.0-0
+      - libgdk-pixbuf2.0-0
+
+apps:
+  transgui:
+    desktop: transgui.desktop
+    plugs:
+      - desktop
+      - desktop-legacy
+      - wayland
+      - x11
+      - unity7
+      - network
+      - home
+    command: transgui