feat(wpcarro/emacs): Move PL support to separate module

Declutter init.el.

Change-Id: I0af874adaab4471741f9d344f539dd6164e2afff
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5561
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI

users/wpcarro/emacs/.emacs.d/init.el

@@ -13,10 +13,4 @@
 (require 'wpc-org)
 (require 'wpc-company)
 (require 'wpc-shell)
-(require 'wpc-lisp)
-(require 'wpc-haskell)
-(require 'wpc-elixir)
-(require 'wpc-nix)
-(require 'wpc-rust)
-(require 'wpc-clojure)
-(require 'wpc-prolog)
+(require 'wpc-language-support)

users/wpcarro/emacs/.emacs.d/wpc/wpc-language-support.el

@@ -0,0 +1,35 @@
+;;; wpc-language-support.el --- Support for miscellaneous programming languages -*- lexical-binding: t -*-
+
+;; Author: William Carroll <wpcarro@gmail.com>
+;; Version: 0.0.1
+;; Package-Requires: ((emacs "25.1"))
+
+;;; Commentary:
+;; I defined this module to declutter my init.el.
+;;
+;; When a particular programming-language's configuration gets too complicated,
+;; I break it out into a dedicated module. Everything else gets dumped in
+;; "Miscellaneous Configuration".
+
+;;; Code:
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Dedicated Modules
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(require 'wpc-lisp)
+(require 'wpc-haskell)
+(require 'wpc-elixir)
+(require 'wpc-nix)
+(require 'wpc-rust)
+(require 'wpc-clojure)
+(require 'wpc-prolog)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Miscellaneous Configuration
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(use-package csharp-mode)
+
+(provide 'wpc-language-support)
+;;; wpc-language-support.el ends here

users/wpcarro/emacs/default.nix

@@ -44,6 +44,7 @@ let
       password-store
       # TODO(wpcarro): Prefer an Emacs client for clipmenud.
       clipmon
+      csharp-mode
       dockerfile-mode
       evil
       evil-collection