treewide: format all files (#57)

Run `nix fmt` at the root of the repository to format all files. I've
done this on my fork and this will help me merge your changes later
without having to deal with un-formatted files.

config/plugins/editor/indent-blankline.nix

@@ -1,7 +1,7 @@
 {
   plugins = {
     indent-blankline = {
-    enable = true;
-  };
+      enable = true;
+    };
   };
 }

config/plugins/editor/neo-tree.nix

@@ -1,7 +1,12 @@
 {
   plugins.neo-tree = {
     enable = true;
-    sources = ["filesystem" "buffers" "git_status" "document_symbols"];
+    sources = [
+      "filesystem"
+      "buffers"
+      "git_status"
+      "document_symbols"
+    ];
     addBlankLineAtTop = false;
 
     filesystem = {
@@ -37,10 +42,12 @@
 
   keymaps = [
     {
-      mode = ["n"];
+      mode = [ "n" ];
       key = "<leader>e";
       action = "<cmd>Neotree toggle<cr>";
-      options = {desc = "Open/Close Neotree";};
+      options = {
+        desc = "Open/Close Neotree";
+      };
     }
   ];
 }

config/plugins/editor/todo-comments.nix

@@ -3,11 +3,28 @@ _: {
     enable = true;
     settings = {
       colors = {
-        error = ["DiagnosticError" "ErrorMsg" "#ED8796"];
-        warning = ["DiagnosticWarn" "WarningMsg" "#EED49F"];
-        info = ["DiagnosticInfo" "#EED49F"];
-        default = ["Identifier" "#F5A97F"];
-        test = ["Identifier" "#8AADF4"];
+        error = [
+          "DiagnosticError"
+          "ErrorMsg"
+          "#ED8796"
+        ];
+        warning = [
+          "DiagnosticWarn"
+          "WarningMsg"
+          "#EED49F"
+        ];
+        info = [
+          "DiagnosticInfo"
+          "#EED49F"
+        ];
+        default = [
+          "Identifier"
+          "#F5A97F"
+        ];
+        test = [
+          "Identifier"
+          "#8AADF4"
+        ];
       };
     };
   };

config/plugins/editor/treesitter.nix

@@ -1,4 +1,5 @@
-{pkgs, ...}: {
+{ pkgs, ... }:
+{
   plugins.treesitter = {
     enable = true;
     settings = {