diff --git a/home/dot_config/lazygit/config.yml b/home/dot_config/lazygit/config.yml
new file mode 100644
index 0000000..b93e148
--- /dev/null
+++ b/home/dot_config/lazygit/config.yml
@@ -0,0 +1,3 @@
+git:
+  pagers:
+    - pager: delta --dark --paging=never
diff --git a/home/dot_config/lazygit/empty_config.yml b/home/dot_config/lazygit/empty_config.yml
deleted file mode 100644
index d2dd30f..0000000
--- a/home/dot_config/lazygit/empty_config.yml
+++ /dev/null
@@ -1,3 +0,0 @@
-git:
-  paging:
-    pager: delta --dark --paging=never
diff --git a/home/dot_config/nvim/ftplugin/json.lua b/home/dot_config/nvim/ftplugin/json.lua
new file mode 100644
index 0000000..33def5f
--- /dev/null
+++ b/home/dot_config/nvim/ftplugin/json.lua
@@ -0,0 +1,8 @@
+vim.keymap.set("n", "<leader>mp", '<cmd>!jq<CR>', {
+  desc = "Pretiffy json",
+  buffer = true
+})
+vim.keymap.set("i", "<C-m>p", '<cmd>%!jq<CR>', {
+  desc = "Pretiffy json",
+  buffer = true
+})
diff --git a/home/dot_config/nvim/ftplugin/jsonc.lua b/home/dot_config/nvim/ftplugin/jsonc.lua
new file mode 100644
index 0000000..33def5f
--- /dev/null
+++ b/home/dot_config/nvim/ftplugin/jsonc.lua
@@ -0,0 +1,8 @@
+vim.keymap.set("n", "<leader>mp", '<cmd>!jq<CR>', {
+  desc = "Pretiffy json",
+  buffer = true
+})
+vim.keymap.set("i", "<C-m>p", '<cmd>%!jq<CR>', {
+  desc = "Pretiffy json",
+  buffer = true
+})
diff --git a/home/dot_config/nvim/ftplugin/lua.lua b/home/dot_config/nvim/ftplugin/lua.lua
new file mode 100644
index 0000000..6af5a0a
--- /dev/null
+++ b/home/dot_config/nvim/ftplugin/lua.lua
@@ -0,0 +1,3 @@
+vim.bo.shiftwidth = 2
+vim.bo.softtabstop = 2
+vim.bo.expandtab = true
diff --git a/home/dot_config/nvim/ftplugin/markdown.lua b/home/dot_config/nvim/ftplugin/markdown.lua
new file mode 100644
index 0000000..6af5a0a
--- /dev/null
+++ b/home/dot_config/nvim/ftplugin/markdown.lua
@@ -0,0 +1,3 @@
+vim.bo.shiftwidth = 2
+vim.bo.softtabstop = 2
+vim.bo.expandtab = true
diff --git a/home/dot_config/nvim/ftplugin/sh.lua b/home/dot_config/nvim/ftplugin/sh.lua
new file mode 100644
index 0000000..4d1cafd
--- /dev/null
+++ b/home/dot_config/nvim/ftplugin/sh.lua
@@ -0,0 +1,16 @@
+vim.keymap.set("n", "<leader>mx", '<cmd>!chmod +x "%"<CR>', {
+  desc = "Mark the file as executable",
+  buffer = true
+})
+vim.keymap.set("i", "<C-m>x", '<cmd>!chmod +x "%"<CR>', {
+  desc = "Mark the file as executable",
+  buffer = true
+})
+vim.keymap.set("n", "<leader>mX", '<cmd>!chmod u+x "%"<CR>', {
+  desc = "Mark the file as executable (current user only)",
+  buffer = true
+})
+vim.keymap.set("i", "<C-m>X", '<cmd>!chmod u+x "%"<CR>', {
+  desc = "Mark the file as executable (current user only)",
+  buffer = true
+})
diff --git a/nixcfgs/modules/nixos/core/configuration.nix b/nixcfgs/modules/nixos/core/configuration.nix
index 718f4cb..d7756cb 100644
--- a/nixcfgs/modules/nixos/core/configuration.nix
+++ b/nixcfgs/modules/nixos/core/configuration.nix
@@ -37,4 +37,14 @@
     shell = pkgs.zsh;
   };
   programs.command-not-found.enable = true;
+
+  programs.nh = {
+    enable = true;
+    flake = "/home/js0ny/.dotfiles/nixcfgs";
+    clean = {
+      enable = true;
+      dates = "weekly";
+      extraArgs = "--keep 5 --keep-since 3d";
+    };
+  };
 }
diff --git a/nixcfgs/users/js0ny/programs/mime.nix b/nixcfgs/users/js0ny/programs/mime.nix
index a387629..23535ac 100644
--- a/nixcfgs/users/js0ny/programs/mime.nix
+++ b/nixcfgs/users/js0ny/programs/mime.nix
@@ -20,6 +20,7 @@ in {
       "text/javascript" = gvim;
       # CSV
       "text/csv" = gvim;
+      "text/markdown" = gvim;
       # File Explorer
       "inode/directory" = "org.kde.dolphin.desktop";
       # Image Viewer: