Migrate file patching from sed/python into generic patching scheme (#181)

* Start patching

* rework apply and revert patches to patch

* don't let a patch failure abort apt install

* roll the mod back if its post-apply hook errors

* add patch for gpu history

* Start patching

* rework apply and revert patches to patch

* don't let a patch failure abort apt install

* roll the mod back if its post-apply hook errors

* add patch for gpu history

* fix rrd history patch for compilation

* add test workflows

* Move test and CI to separate PR

* Start patching

* rework apply and revert patches to patch

* don't let a patch failure abort apt install

* roll the mod back if its post-apply hook errors

* add patch for gpu history

* fix rrd history patch for compilation

* add test workflows

* Move test and CI to separate PR

* readd test-release

* realign test-release with main

---------

Co-authored-by: Meliox <na>

debian/pve-mod.conffiles

@@ -1 +1,3 @@
 /etc/pve-mod/pve-mod.conf
+/etc/pve-mod/conf.d/node_info.conf
+/etc/pve-mod/conf.d/nag_screen.conf