dotfiles: initial scaffold for Coder devboxes

install.sh (symlink home/* + merge-seed ~/.claude.json onboarding), gitconfig,
bash_aliases, global gitignore, inputrc, tmux.conf. Golden owns tools+starship;
this owns personal config. Secrets stay in Coder user-secrets.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

home/.gitconfig

@@ -0,0 +1,33 @@
+[user]
+	name = lollen
+	email = loloolllool@lolcathost.se
+[init]
+	defaultBranch = main
+[pull]
+	rebase = true
+[push]
+	autoSetupRemote = true
+	default = current
+[fetch]
+	prune = true
+[rebase]
+	autoStash = true
+[merge]
+	conflictStyle = zdiff3
+[diff]
+	colorMoved = default
+[color]
+	ui = auto
+[core]
+	excludesfile = ~/.config/git/ignore
+[alias]
+	st = status -sb
+	co = checkout
+	sw = switch
+	br = branch
+	ci = commit
+	ca = commit --amend
+	unstage = restore --staged
+	last = log -1 HEAD
+	lg = log --oneline --graph --decorate -20
+	lga = log --oneline --graph --decorate --all -30