ci(pre-commit): add yamllint (#496)

.github/FUNDING.yaml

@@ -1 +1 @@
-ko_fi: atalays
+ko_fi: atalays

.pre-commit-config.yaml

@@ -2,9 +2,12 @@ repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     rev: v0.11.2
     hooks:
-      # Run the linter.
       - id: ruff
   - repo: https://github.com/codespell-project/codespell
     rev: v2.4.1
     hooks:
       - id: codespell
+  - repo: https://github.com/adrienverge/yamllint
+    rev: v1.37.1
+    hooks:
+      - id: yamllint

.yamllint.yaml

@@ -0,0 +1,3 @@
+extends: default
+rules:
+  line-length: disable

tests/testdata/John_Doe_CV.yaml

@@ -2,4 +2,4 @@ cv:
   name: John Doe
   sections:
     test_section:
-    - this is a text entry.
+      - this is a text entry.