module: add :lang ada

modules/lang/ada/README.org

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+:PROPERTIES:
+:ID:       0903d239-7eab-47d7-8b88-00420fe6a50f
+:END:
+#+title:     :lang ada
+#+subtitle:  In strong typing we (blindly) trust
+#+created:   September 13, 2025
+#+since:     25.10.0
+
+* Description :unfold:
+This module adds support for the Ada and SPARK programming languages.
+
+- Syntax highlighting (optionally via tree-sitter)
+- Code completion (via company or corfu)
+- LSP support (with [[https://github.com/AdaCore/ada_language_server][ada_language_server]])
+- Alire integration (alr build, alr run, alr clean)
+
+** Maintainers
+*This module needs a maintainer.* [[doom-contrib-maintainer:][Become a maintainer?]]
+
+** Module flags
+# Flags should be in alphanumerical order.
+- +lsp ::
+  Enable LSP support for ~ada-mode~ / ~ada-ts-mode~. Requires [[doom-module::tools lsp]]
+  and a langserver (supports [[https://github.com/AdaCore/ada_language_server][ada_language_server]]).
+- +tree-sitter ::
+  Leverages tree-sitter for better syntax highlighting and structural text
+  editing. Requires [[doom-module::tools tree-sitter]] and Emacs 29.1+.
+
+** Packages
+- [[doom-package:ada-mode]]
+- [[doom-package:ada-ts-mode]] if [[doom-module:+tree-sitter]]
+
+** Hacks
+- ~ada-ts-mode~ has been advised not to set ~treesit-language-source-alist~ and
+  ~eglot-server-programs~ buffer-locally, because this overrides global settings
+  (by the user or Doom modules) in a non-standard way.
+
+** TODO Changelog
+# This section will be machine generated. Don't edit it by hand.
+/This module does not have a changelog yet./
+
+* Installation
+[[id:01cffea4-3329-45e2-a892-95a384ab2338][Enable this module in your ~doom!~ block.]]
+
+#+begin_quote
+󱌣 /No installation steps have been documented./ [[doom-contrib-module:][Document them?]]
+#+end_quote
+
+* Usage
+#+begin_quote
+󱌣 This module has no usage documentation yet. [[doom-contrib-module:][Write some?]]
+#+end_quote
+
+* TODO Configuration
+#+begin_quote
+󱌣 This module has no configuration documentation yet. [[doom-contrib-module:][Write some?]]
+#+end_quote
+
+* Troubleshooting
+/There are no known problems with this module./ [[doom-report:][Report one?]]
+
+* Frequently asked questions
+/This module has no FAQs yet./ [[doom-suggest-faq:][Ask one?]]
+
+* TODO Appendix
+#+begin_quote
+󱌣 This module has no appendix yet. [[doom-contrib-module:][Write one?]]
+#+end_quote