Switch from ag(silver sarcher) to rg

It looks like the more up to date and established tool.
It looks like a faster tool.
It can be used by telescope neovim plugin to find files.
It supports an .ignore file in combination with .gitignore for more fine
grained setup.

home/files.nix

@@ -4,5 +4,4 @@ _:
   ".nix-channels".source = ./files/nix-channels;
   ".profile".source = ./files/profile;
   ".myclirc".source = ./files/myclirc;
-  ".agignore".source = ./files/agignore;
 }

home/files/agignore

@@ -1,9 +0,0 @@
-typo3temp
-uploads
-_build
-Data
-venv
-tags
-tags.lock
-*.pyc
-__pycache__

home/packages.nix

@@ -31,7 +31,7 @@ with pkgs; [
   mkcert # TODO: Create own wrapper script to create new certs
   tig
   universal-ctags
-  silver-searcher
+  ripgrep
   curl
   wget
   # Can be installed ad-hock, I don't need it that often.

home/programs/git.nix

@@ -47,6 +47,7 @@
     "/tags"
     "*.~lock.*#"
     ".phpactor.json"
+    ".ignore"
     # As I'm using nix-shell in many projects for my own confidence
     "shell.nix"
 

home/programs/neovim.nix

@@ -86,14 +86,14 @@ let
     };
   };
 
-  ag = pkgs.vimUtils.buildVimPlugin rec {
-    pname = "ag";
-    version = "c478f7973074f15bbf82c298a1678b4e23f1767a";
+  rg = pkgs.vimUtils.buildVimPlugin rec {
+    pname = "rg";
+    version = "c24e37093929a60e61761bdfa591af6984e49b51";
     src = pkgs.fetchFromGitHub {
-      owner = "rking";
-      repo = "${pname}.vim";
+      owner = "duane9/";
+      repo = "nvim-rg";
       rev = version;
-      sha256 = "jlR8NFG7IRCYiQ7ocQQCI2npAPujgQFZ6RpFX8zwTAA=";
+      sha256 = "PBDdkhZq5OnYpWSbLRG8krMTcuaCRn0mSpRLCqnEgLk=";
     };
   };
 
@@ -252,7 +252,7 @@ in {
 
     # Adding features
 
-    ag
+    rg
     diff-fold
     BufOnly-vim