gitsigns, lsp, and fixes

Signed-off-by: Michael Thomson <michael@michaelthomson.dev>

modules/home-manager/nixvim/default.nix

@@ -105,6 +105,18 @@
           };
         };
       };
+      gitsigns = {
+        enable = true;
+        settings = {
+          signs = {
+            add = {text = "+";};
+            change = {text = "~";};
+            delete = {text = "_";};
+            topdelete = {text = "‾";};
+            changedelete = {text = "~";};
+          };
+        };
+      };
       harpoon = {
         enable = true;
         keymaps = {
@@ -141,6 +153,12 @@
       friendly-snippets = {
         enable = true;
       };
+      lspkind = {
+        enable = true;
+        cmp = {
+          enable = true;
+        };
+      };
       cmp = {
         enable = true;
 
@@ -243,7 +261,6 @@
             "gr" = "references";
             "<leader>rn" = "rename";
             "<leader>ca" = "code_action";
-            "<C-h>" = "signature_help";
           };
         };
       };