rename manual texi during erk-new

Signed-off-by: Psionik K <73710933+psionic-k@users.noreply.github.com>

Author: psionic-k

doc/manual.org

@@ -72,8 +72,8 @@ working with Elisp packages, Elisp Repo Kit provides shortcuts:
      ├── doc
      │   ├── README.org                    # generates README.md
      │   ├── CONTRIBUTING.org              # generates CONTRIBUTING.md
-     │   ├── manual.org                    # actual manual
-     │   └── manual.texi                   # generated manual for distribution
+     │   ├── manual.org                    # actual manual source
+     │   └── erk.texi                      # generated manual for distribution
      │
      ├── lisp
      │   └── erk.el                        # the package

lisp/erk.el

@@ -126,7 +126,8 @@ you can redistribute it and/or modify
 ;; these tweaks will be gladly accepted.
 (defconst erk--rename-maps
   '(("lisp/" "%s.el" nil)
-    ("test/" "%s-test.el" nil))
+    ("test/" "%s-test.el" nil)
+    ("doc/" "%s.texi" nil))
   "List of (DIR SRC DEST) forms.")
 
 (defconst erk--files-with-strings