add git-town config

dot_config/git/private_config.tmpl

@@ -117,3 +117,33 @@
     path = host.config
     path = sendemail
 
+# git-town aliases & config
+# https://www.git-town.com
+[alias]
+    append = town append
+    compress = town compress
+    contribute = town contribute
+    diff-parent = town diff-parent
+    hack = town hack
+    delete = town delete
+    observe = town observe
+    park = town park
+    prepend = town prepend
+    propose = town propose
+    rename = town rename
+    repo = town repo
+    set-parent = town set-parent
+    ship = town ship
+    sync = town sync
+
+[git-town]
+    push-hook = true
+    push-new-branches = false
+    create-prototype-branches = false
+    ship-strategy = api
+    ship-delete-tracking-branch = false
+    sync-tags = true
+    sync-upstream = true
+    perennial-branches = master
+    sync-feature-strategy = rebase
+    sync-perennial-strategy = rebase