vimPlugin: init vim-liquid (#57810)

Added the vim-liquid plugin by following the instructions at

https://nixos.wiki/wiki/Vim#Adding_new_plugins

pkgs/misc/vim-plugins/generated.nix

@@ -2939,6 +2939,17 @@ let
     };
   };
 
+  vim-liquid = buildVimPluginFrom2Nix {
+    pname = "vim-liquid";
+    version = "2016-02-11";
+    src = fetchFromGitHub {
+      owner = "tpope";
+      repo = "vim-liquid";
+      rev = "209f77c9550a90b0b88492c93852195c171f6ebd";
+      sha256 = "1ghspgjr6r0csmqacmsmkvrqvfgplx033yb3qwzddby991fpvfaa";
+    };
+  };
+
   vim-localvimrc = buildVimPluginFrom2Nix {
     pname = "vim-localvimrc";
     version = "2019-03-24";

pkgs/misc/vim-plugins/vim-plugin-names

@@ -303,6 +303,7 @@ tpope/vim-eunuch
 tpope/vim-fireplace
 tpope/vim-flagship
 tpope/vim-fugitive
+tpope/vim-liquid
 tpope/vim-obsession
 tpope/vim-pathogen
 tpope/vim-projectionist