Move some user-specific data to private/ and clean up .gitignore

There may be more data to be moved to private/, but for now it's enough like
this – I think.

.gitignore

@@ -1,12 +1,5 @@
 *.elc
-/.cider-history
-/.mc-lists.el
-/.org-id-locations
-/TAGS
-/auto-save-list
-/eautosave/
-/ebackup/
-/el-get/
+
 /elpa/*
 !/elpa/diminish-[0-9]*
 !/elpa/bind-key-[0-9]*
@@ -15,49 +8,35 @@
 !/elpa/page-break-lines-[0-9]*
 !/elpa/exec-path-from-shell-[0-9]*
 !/elpa/lv-[0-9]*
-/emms/
-/eshell/history
-/eshell/lastdir
-/image-dired/
-/org-clock-save.el
-/projectile-bookmarks.eld
-/recentf
-/savehist
-/semanticdb/
-/srecode-map.el
-/tramp
-/url/cookies
-/org-clock-save.el~
+/site-lisp/timeline-tools-autoloads.el
+
+/.cache/
+/.cask/
+/.cider-history
+/.lsp-session-v1
+/.mc-lists.el
+/.org-id-locations
+/.python-environments/
+/TAGS
+/auto-save-list
+/dired-history
+/eautosave/
+/ebackup/
+/el-get/
+/eln-cache/
+/elpy/
+/eww-bookmarks
+/flycheck_init.el
+/games/*
 /gnus.registry.eioioi
 /helm-adaptive-history
-/url/
-/mastodon.plstore
-/games/bubbles-default-2-10-10-scores
-/games/tetris-scores
+/image-dired/
 /mthesaur.txt.cache
-/custom.el
-/history
-/server/server
-/speed-type/*
-/site-lisp/timeline-tools-autoloads.el
-/.cask/
-/eww-bookmarks
-/games/bubbles-default-3-15-10-scores
-/games/snake-scores
-/projectile.cache
-/recentf~
-/request/curl-cookie-jar
-/transient/history.el
 /private
-/elpy/
-/.python-environments/
-/transient/
-/dired-history
-/sandbox/.emacs.d
-/flycheck_init.el
-/projects
-/.lsp-session-v1
-/.cache/
-
+/semanticdb/
+/server/server
 /session.*
-/eln-cache/
+/speed-type/*
+/tramp
+/transient/history.el
+

init.el

@@ -502,7 +502,7 @@
 
 (use-package savehist
   :commands (savehist-mode)
-  :init (setq savehist-file (expand-file-name "savehist" emacs-d)))
+  :init (setq savehist-file (expand-file-name "private/savehist" emacs-d)))
 
 (use-package server
   :commands (server-running-p server-start)
@@ -640,7 +640,9 @@
               projectile-ignored-project-function #'file-remote-p
               projectile-create-missing-test-files t
               projectile-known-projects-file (expand-file-name "private/projectile-bookmarks.eld"
-                                                               emacs-d))
+                                                               emacs-d)
+              projectile-cache-file (expand-file-name "private/projectile.cache"
+                                                      emacs-d))
   :diminish projectile-mode)
 
 
@@ -1074,6 +1076,7 @@
                                                               (list "GOTO"))
                                                       "ATTN"))))
                 org-clock-persist t
+                org-clock-persist-file (expand-file-name "private/org-clock-save.el" emacs-d)
                 org-clock-persist-query-resume nil
                 org-clock-ask-before-exiting nil
                 org-time-stamp-rounding-minutes '(1 1))
@@ -2313,7 +2316,8 @@ point to the beginning of buffer first."
 
 (use-package recentf
   :commands (recentf-mode recentf-save-list)
-  :init (setq recentf-max-saved-items 1000)
+  :init (setq recentf-max-saved-items 1000
+              recentf-save-file (expand-file-name "private/recentf" emacs-d))
   :config (run-with-timer 0 3600 #'recentf-save-list))
 
 (use-package company
@@ -2666,6 +2670,8 @@ eventuelly be set to nil, however)."
               eshell-hist-ignoredups t
               eshell-save-history-on-exit t
               eshell-history-size 5000
+              eshell-history-file-name (expand-file-name "private/eshell/history" emacs-d)
+              eshell-last-dir-ring-file-name (expand-file-name "private/eshell/lastdir" emacs-d)
               eshell-destroy-buffer-when-process-dies t
               eshell-prompt-function #'eshell/default-prompt-function
               eshell-prompt-regexp "└─[$#] "