feat(dot): add indents queries

* feat(dot): add indents queries

* add: tests

* fix: test

queries/dot/indents.scm

@@ -0,0 +1,9 @@
+[
+  (block)
+  (attr_list)
+] @indent.begin
+
+[
+  "}"
+  "]"
+] @indent.branch @indent.end

tests/indent/dot/test.dot

@@ -0,0 +1,8 @@
+digraph {
+  node [
+    shape=ellipse,
+  ];
+  subgraph sub {
+    a1 -> a2 -> a3;
+  }
+}

tests/indent/dot_spec.lua

@@ -0,0 +1,25 @@
+local Runner = require("tests.indent.common").Runner
+
+local run = Runner:new(it, "tests/indent/dot", {
+  tabstop = 2,
+  shiftwidth = 2,
+  softtabstop = 0,
+  expandtab = true,
+})
+
+describe("indent dot:", function()
+  describe("whole file:", function()
+    run:whole_file(".", {
+      expected_failures = {},
+    })
+  end)
+
+  describe("new line:", function()
+    run:new_line("test.dot", { on_line = 1, text = "node [", indent = 2 })
+    run:new_line("test.dot", { on_line = 2, text = "shape=ellipse,", indent = 4 })
+    run:new_line("test.dot", { on_line = 4, text = "subgraph sub {", indent = 2 })
+    run:new_line("test.dot", { on_line = 5, text = "a1 -> a2 -> a3;", indent = 4 })
+    run:new_line("test.dot", { on_line = 6, text = "}", indent = 2 })
+    run:new_line("test.dot", { on_line = 7, text = "}", indent = 0 })
+  end)
+end)