chore(nix): test with nix

- add nix testing script using neorocks
- bump `tree-sitter-http` version to `v0.0.35`
- add `sync-readme` script which syncs default config to readme

Author: boltlessengineer

flake.lock

@@ -16,6 +16,10 @@
     flake-parts,
     ...
   }: let
+    name = "rest.nvim";
+    plugin-overlay = import ./nix/plugin-overlay.nix {
+      inherit self;
+    };
     test-overlay = import ./nix/test-overlay.nix {
       inherit self inputs;
     };
@@ -31,6 +35,7 @@
           overlays = [
             neorocks.overlays.default
             test-overlay
+            plugin-overlay
           ];
         };
       in {
@@ -40,29 +45,33 @@
           inherit
             (pkgs)
             docgen
+            sync-readme
             ;
         };
         devShells.default = pkgs.mkShell {
           name = "rest.nvim devShell";
           shellHook = ''
             export LUA_PATH="$(luarocks path --lr-path --lua-version 5.1 --local)"
             export LUA_CPATH="$(luarocks path --lr-cpath --lua-version 5.1 --local)"
+            export TREE_SITTER_HTTP_PLUGIN_DIR=${pkgs.tree-sitter-http-plugin}
+            export REST_NVIM_PLUGIN_DIR=${pkgs.rest-nvim-dev}
           '';
           buildInputs = [
             pkgs.sumneko-lua-language-server
             pkgs.stylua
             pkgs.docgen
+            pkgs.sync-readme
             (pkgs.lua5_1.withPackages (ps: with ps; [luarocks luacheck]))
           ];
         };
 
-        # checks = {
-        #   inherit
-        #     (pkgs)
-        #     # integration-stable
-        #     integration-nightly
-        #     ;
-        # };
+        checks = {
+          inherit
+            (pkgs)
+            integration-stable
+            integration-nightly
+            ;
+        };
       };
     };
 }