.gitconfig: replace tabs with spaces; rename user_private to user_binaryDiv

.gitconfig.inc/common.gitconfig

@@ -1,20 +1,23 @@
+[core]
+    eol = lf
+
 [init]
-	defaultBranch = main
+    defaultBranch = main
 
 [pull]
-	ff = only
+    ff = only
 
 [pager]
-	branch = false
-	config = false
-	stash = false
+    branch = false
+    config = false
+    stash = false
 
 [diff]
-	tool = vimdiff
-	guitool = gvimdiff
+    tool = vimdiff
+    guitool = gvimdiff
 
 [diff "ansible-vault"]
-	textconv = ansible-vault view
+    textconv = ansible-vault view
 
 [alias]
-	graph = log --all --graph --decorate --oneline
+    graph = log --all --graph --decorate --oneline