Added the old emacs config.

config/emacs/development.el

@@ -0,0 +1,40 @@
+;;;; Markdown
+(use-package markdown-mode)
+
+;;;; Odin
+(use-package odin-mode
+  :vc (:url "https://github.com/mattt-b/odin-mode"
+       :rev :newest)
+  :mode "\\.odin\\'"
+  :hook (odin-mode . eglot-ensure))
+
+(use-package eglot
+  :ensure nil
+  :config
+  (setq eglot-autoshutdown t)
+  (add-to-list 'eglot-ignored-server-capabilities :signatureHelpProvider)
+
+  ;; Explicit OLS configuration.
+  (add-to-list
+   'eglot-server-programs
+   '(odin-mode
+     . ("/home/jason/.local/bin/ols"
+        :initializationOptions
+        (:odin_command "/home/jason/.odin/odin"
+         :enable_document_symbols t
+         :enable_format t
+         :collections
+         [(:name "core"
+           :path "/home/jason/.odin/core")
+          (:name "vendor"
+           :path "/home/jason/.odin/vendor")])))))
+
+;; OLS built-in definitions.
+(setenv "OLS_BUILTIN_FOLDER" "/home/jason/ThirdParty/ols/builtin")
+
+;; Vim-style code navigation.
+(evil-define-key '(normal motion) 'global
+  "gd" #'xref-find-definitions
+  "gD" #'xref-find-references
+  "K"  #'eldoc
+  (kbd "C-t") #'xref-go-back)