✨ Moved modules and hm dir to hosts dir. Moved some code to shared and extended lib with custom functions

shell.nix

@@ -0,0 +1,13 @@
+{ pkgs }:
+
+{
+  # The minimum amount of dependencies in order to run 'just switch-now'
+  default = pkgs.mkShell {
+    packages = with pkgs; [
+      just
+      git
+      git-crypt
+      nh
+    ];
+  };
+}