plugins/neotest: add more adapters

tests/test-sources/plugins/neotest/foundry.nix

@@ -0,0 +1,38 @@
+{
+  example = {
+    plugins = {
+      treesitter.enable = true;
+      neotest = {
+        enable = true;
+
+        adapters.foundry = {
+          enable = true;
+
+          settings = {
+            foundryCommand = "forge test";
+            foundryConfig = null;
+            env = {};
+            cwd.__raw = ''
+              function ()
+                return lib.files.match_root_pattern("foundry.toml")
+              end
+            '';
+            filterDir.__raw = ''
+              function(name)
+                return (
+                  name ~= "node_modules"
+                  and name ~= "cache"
+                  and name ~= "out"
+                  and name ~= "artifacts"
+                  and name ~= "docs"
+                  and name ~= "doc"
+                  -- and name ~= "lib"
+                )
+              end
+            '';
+          };
+        };
+      };
+    };
+  };
+}