formiko: add module

tests/modules/programs/formiko/default.nix

@@ -0,0 +1,5 @@
+{ lib, pkgs, ... }:
+
+lib.optionalAttrs pkgs.stdenv.hostPlatform.isLinux {
+  formiko-example-config = ./example-config.nix;
+}

tests/modules/programs/formiko/example-config.nix

@@ -0,0 +1,25 @@
+{
+  programs.formiko = {
+    enable = true;
+    settings = {
+      main = {
+        preview = 0;
+        parser = "json";
+        auto_scroll = true;
+        writer = "tiny";
+      };
+
+      editor = {
+        period_save = true;
+        check_spelling = false;
+        auto_indent = false;
+      };
+    };
+  };
+
+  nmt.script = ''
+    assertFileExists home-files/.config/formiko.ini
+    assertFileContent home-files/.config/formiko.ini \
+      ${./formiko.ini}
+  '';
+}

tests/modules/programs/formiko/formiko.ini

@@ -0,0 +1,10 @@
+[editor]
+auto_indent=false
+check_spelling=false
+period_save=true
+
+[main]
+auto_scroll=true
+parser=json
+preview=0
+writer=tiny