Move machine and platform specific code into new files

Move some config out of custom.el for portability

config.el

@@ -9,6 +9,8 @@
 ;; (setq user-full-name "John Doe"
 ;;       user-mail-address "john@doe.com")
 
+(add-load-path! (expand-file-name "lisp" doom-user-dir))
+
 ;; Doom exposes five (optional) variables for controlling fonts in Doom:
 ;;
 ;; - `doom-font' -- the primary font to use
@@ -43,11 +45,9 @@
 ;; (setq display-line-numbers-type t)
 (setq display-line-numbers-type 'relative)
 
-;; If you use `org' and don't want your org files in the default location below,
-;; change `org-directory'. It must be set before org loads!
-(setq!
- org-directory
- "C:/Users/EmmaTurner/OneDrive - Exponential Technology Group, Inc/Documents/Notes/")
+(require (intern (system-name)))
+(require (intern (format "%s" system-type)))
+
 
 ;; Whenever you reconfigure a package, make sure to wrap your config in an
 ;; `after!' block, otherwise Doom's defaults may override your settings. E.g.
@@ -83,6 +83,8 @@
 (after!
  org (setq org-hide-emphasis-markers t) (setq org-log-done 'time)
 
+ (push '("cs" . csharp) org-src-lang-modes)
+
  ;; Collect all .org from my Org directory and subdirs
  (defun load-org-agenda-files-recursively (dir)
    "Find all directories in DIR."
@@ -127,22 +129,6 @@
  :commands (elisp-autofmt-mode elisp-autofmt-buffer)
  :hook (emacs-lisp-mode . elisp-autofmt-mode))
 
-;; Windows path
-(when (eq system-type 'windows-nt)
-
-  ;; https://emacs.stackexchange.com/a/29949
-  ;; Make sure Unix tools are in front of `exec-path'
-  ;; (let ((bash (executable-find "bash")))
-  ;;   (when bash
-  ;;     (push (file-name-directory bash) exec-path)))
-  (push "C:/Program Files/Git/usr/bin/" exec-path)
-
-  ;; Update PATH from exec-path
-  (let ((path
-         (mapcar
-          'file-truename
-          (append exec-path (split-string (getenv "PATH") path-separator t)))))
-    (setenv "PATH" (mapconcat 'identity (delete-dups path) path-separator))))
 
 ;; Based off https://github.com/alphapapa/unpackaged.el#ensure-blank-lines-between-headings-and-before-contents
 ;;;###autoload