Introduce DOCtor-RST

.github/workflows/lint.yaml

@@ -0,0 +1,14 @@
+on: [push, pull_request]
+name: Lint
+jobs:
+    doctor-rst:
+        name: DOCtor-RST
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@master
+            - name: DOCtor-RST
+              uses: docker://oskarstark/doctor-rst
+              with:
+                  args: --short
+              env:
+                  DOCS_DIR: 'docs/'

docs/.doctor-rst.yaml

@@ -0,0 +1,30 @@
+rules:
+    blank_line_after_directive: ~
+    short_array_syntax: ~
+    no_app_console: ~
+    typo: ~
+    replacement: ~
+    composer_dev_option_at_the_end: ~
+    yarn_dev_option_at_the_end: ~
+    versionadded_directive_should_have_version: ~
+    no_composer_req: ~
+    no_php_open_tag_in_code_block_php_directive: ~
+    blank_line_after_filepath_in_code_block: ~
+    no_php_prefix_before_bin_console: ~
+    use_deprecated_directive_instead_of_versionadded: ~
+    no_space_before_self_xml_closing_tag: ~
+    no_explicit_use_of_code_block_php: ~
+    ensure_order_of_code_blocks_in_configuration_block: ~
+    american_english: ~
+    valid_use_statements: ~
+    yaml_instead_of_yml_suffix: ~
+    extend_abstract_admin: ~
+    final_admin_class: ~
+    final_admin_extension_classes: ~
+    kernel_instead_of_app_kernel: ~
+    no_admin_yaml: ~
+    no_app_bundle: ~
+    no_bash_prompt: ~
+    no_composer_phar: ~
+    no_config_yaml: ~
+    no_inheritdoc: ~