Separate themes to its own file, add spelling config

TODO:
* fix flyspell not loading on every buffer
* Add other dictionaries to flyspell (Polish)

themes.el

@@ -0,0 +1,47 @@
+;; (setq airline-helm-colors t)
+;; (setq airline-cursor-colors t)
+;; (setq airline-eshell-colors t)
+
+;; Neotree theme
+(setq neo-theme 'arrow)
+
+;; Add mode line icons items
+;; (mode-icons-mode)
+
+;; Use smart-mode-line
+(require 'smart-mode-line)
+(setq sml/no-confirm-load-theme t)
+(sml/setup)
+(sml/apply-theme 'light)
+
+;; NOTE: airline is extremely slow, do not use it
+;; (require 'airline-themes)
+;; (airline-themes-set-modeline)
+
+;; TODO: Figure out how to load a theme randomly.
+;; (load-theme 'ujelly t t)
+(load-theme 'avk-daylight t t)
+(load-theme 'monokai t t)
+;; (load-theme 'flatui t t)
+(load-theme 'atom-one-dark t t)
+(load-theme 'flatui t t)
+;; (load-theme 'airline-doom-one)
+;; (load-theme 'airline-base16-shell-dark)
+
+(require 'helm-themes)
+(if (display-graphic-p)
+    (progn
+      (enable-theme 'flatui))
+      ;; (enable-theme 'airline-doom-one)
+      ;; (helm-themes 'avk-daylight t))
+
+  (progn
+    (enable-theme 'monokai))
+    ;; (helm-themes 'monokai t))
+    ;; (enable-theme 'airline-base16-shell-dark)
+  )
+
+(color-theme-approximate-on)
+(set-face-attribute 'default nil :font "Hasklig 13")
+(set-face-attribute 'mode-line nil :font "Hasklig 12")
+(set-face-attribute 'linum nil :font "Hasklig 13")