indents(css, make): add basic queries

* Despite the fact that queries look simple, they improve indentation in some edge cases that helix couldn't handle correctly by default.

book/src/generated/lang-support.md

@@ -21,7 +21,7 @@
 | cpon | ✓ |  | ✓ |  |
 | cpp | ✓ | ✓ | ✓ | `clangd` |
 | crystal | ✓ | ✓ |  | `crystalline` |
-| css | ✓ |  |  | `vscode-css-language-server` |
+| css | ✓ |  | ✓ | `vscode-css-language-server` |
 | cue | ✓ |  |  | `cuelsp` |
 | d | ✓ | ✓ | ✓ | `serve-d` |
 | dart | ✓ |  | ✓ | `dart` |
@@ -97,7 +97,7 @@
 | log | ✓ |  |  |  |
 | lpf | ✓ |  |  |  |
 | lua | ✓ | ✓ | ✓ | `lua-language-server` |
-| make | ✓ |  |  |  |
+| make | ✓ |  | ✓ |  |
 | markdoc | ✓ |  |  | `markdoc-ls` |
 | markdown | ✓ |  |  | `marksman` |
 | markdown.inline | ✓ |  |  |  |

runtime/queries/css/indents.scm

@@ -0,0 +1,7 @@
+[
+  (block)
+] @indent
+
+[
+ "}"
+] @outdent

runtime/queries/make/indents.scm

@@ -0,0 +1,8 @@
+[
+  (define_directive)
+  (rule)
+] @indent
+
+[
+  "endef"
+] @outdent