snap: update snap metadata

README: add hotkdump logo

Signed-off-by: Mustafa Kemal Gilor <mustafa.gilor@canonical.com>

README.md

@@ -1,5 +1,14 @@
+<div align="center">
+
 # hotkdump
 
+<img src="extras/img/hotkdump-logo.png">
+
+<i>Easily open and analyze linux kernel crash dumps.</i>
+</div>
+
+****
+
 `hotkdump` is a tool for auto analysis of Linux kernel crash dump files generated with `kdump`. It can automatically download the required debug symbols for the crash dump's kernel version (currently only supported for Ubuntu).
 
 ## Synopsis
@@ -84,4 +93,4 @@ Example usage:
 HOTKDUMP_LOGLEVEL=DEBUG hotkdump -d <dump-file-path>
 ```
 
-
+[hotkdump-logo]: extras/img/hotkdump-logo.png

snap/snapcraft.yaml

@@ -10,7 +10,11 @@ description: |
 
   hotkdump has an bundled version of `crash` available inside the package, and will
   use that by default. It can also use the user-specified `crash` when needed.
-
+issues: https://github.com/canonical/hotkdump/issues
+license: GPL-3.0
+source-code: https://github.com/canonical/hotkdump
+website: https://github.com/canonical/hotkdump
+icon: extras/img/hotkdump-logo.png
 # ubuntutools uses APT python API to initialize the .deb package
 # and `apt_pkg.init()` needs these path/files to be present, so
 # we're pointing them to the right ones.