Restructure dotfile folders and add README.

README.md

@@ -0,0 +1,6 @@
+# Dotfiles
+Collection of configuration/dotfiles. Most are designed to be linked via GNU stow, for example:
+
+```
+stow --dotfile git
+```

git/dot-gitconfig

@@ -2,6 +2,9 @@
     name = Chun Li
     email = chunli.developer@gmail.com
 
+[init]
+    defaultBranch = main
+
 [alias]
     hist = log --pretty=oneline --graph --decorate --all --abbrev-commit
     diff = --ignore-space-change
@@ -37,20 +40,16 @@
     precomposeunicode = true
 
 [merge]
-    tool = Opendiff
+    tool = vimdiff
 [mergetool]
     keepBackup = false
     prompt = false
-[mergetool "Opendiff"]
-    cmd = opendiff \"$LOCAL\" \"$REMOTE\" --merge \"$MERGED\"
-    trustexitcode = true
 [diff]
-    tool = Opendiff
+    tool = vimdiff
 [pull]
     ff = only
 [push]
     default = simple
 [difftool]
     prompt = false
-[difftool "Opendiff"]
-    cmd = opendiff \"$LOCAL\" \"$REMOTE\"
+    tool = vimdiff

profile

@@ -1,3 +0,0 @@
-[ -n "$PROFILE" ] && return || readonly PROFILE=1
-
-alias venv=". venv/bin/activate"