Initial import: chezmoi source for Omarchy (Hyprland)

Imported from prdlk/dotfiles master (efdd827), which supersedes the omarchy
branch (3031416). Drops the Umbriel, Noctalia, niri, CachyOS, macOS, and Blume
docs-site layers; docs/ is plain Markdown.

dot_gitconfig.tmpl

@@ -0,0 +1,61 @@
+[credential "https://github.com"]
+	helper = 
+	helper = !gh auth git-credential
+[credential "https://gist.github.com"]
+	helper = 
+	helper = !gh auth git-credential
+[user]
+	email = {{ .email }}
+	name = {{ .name }}
+[url "git@github.com:"]
+	pushInsteadOf = https://github.com/
+[pager]
+	diff = diffnav
+[delta]
+  dark = true
+  tabs = 2
+
+  file-style = omit
+  file-decoration-style = none
+
+  line-numbers-left-format = "{nm:>4} "
+  line-numbers-right-format = "│ {np:>4} "
+  line-numbers-left-style = white dim
+  line-numbers-right-style = "#1f2335" dim
+  line-numbers-zero-style = white dim
+  line-numbers-plus-style = white dim 
+  line-numbers-minus-style = white dim
+  line-numbers-zero-style = white dim
+
+  wrap-left-symbol = " "
+  wrap-right-symbol = " "
+  wrap-right-prefix-symbol = " "
+
+  plus-style = syntax "#0e250e"
+  plus-emph-style = syntax "#103610"
+  minus-style = syntax "#402a26"
+  minus-emph-style = syntax "#45221c"
+
+  hunk-label = "  󰡏 "
+  hunk-header-line-number-style = "#10233A"
+  hunk-header-style = "#868E99"
+  hunk-header-file-style = "#868E99" dim
+  hunk-header-decoration-style = "#163050" ol ul
+[core]
+	pager = git-split-diffs --color | less -+LFX
+[split-diffs]
+	min-line-width = 40
+	theme-name = dark
+[diff]
+	tool = codediff
+[difftool "codediff"]
+	cmd = nvim \"$LOCAL\" \"$REMOTE\" +\"CodeDiff file $LOCAL $REMOTE\"
+[push]
+	autoSetupRemote = true
+[beads]
+	role = maintainer
+[advice]
+	addIgnoredFile = false
+[credential "https://prad.codes"]
+	helper = 
+	helper = !tea login helper