Build instructions for git added

Author: Gerald Wodni

.gitignore

@@ -4,6 +4,7 @@
 *.fi
 *~
 \#*#
+.*.swp
 *-
 gforth
 libgforth
@@ -124,3 +125,13 @@ unix/wgl.fs
 unix/wingdi.fs
 unix/winuser.fs
 unix/xlib.fs
+debian/changelog
+debian/control
+engine/gforth-ll
+engine/gforth-ll-reg
+engine/gforth-noll
+engine/gforth-noll-reg
+gforth-ll-reg
+libtool
+libtool.dump
+m4/

INSTALL.md

@@ -0,0 +1,15 @@
+# Install
+## Build from git:
+
+    sudo apt-get install gforth libffi-dev libltdl7 libsoil-dev libtool-bin yodl
+    ./install-swig.sh # optional for C-bindings (e.g. OpenGL, posix )
+    ./BUILD-FROM-SCRATCH
+    sudo make install
+
+## Alternative: Build from Tarball
+If you are building from the tarball, please consult [INSTALL](INSTALL).
+
+
+Copyright (C) 2016 Free Software Foundation, Inc.
+This file is free documentation; the Free Software Foundation gives
+unlimited permission to copy, distribute and modify it.