Add source code

Added:
 - esv.d: reusable D interface to the ESV web API
 - main.d: the main program
 - Makefile
 - README.md
 - modified version of dini (dependency)
 - man pages
 - licenses

README.md

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+# esv
+
+*Read the Bible from your terminal*
+
+`esv` is a utility that displays passages of the English Standard Bible on your terminal.
+It connects to the ESV web API to retrieve the passages,
+and allows configuration through command-line options and the configuration file.
+
+Example usage:
+
+```
+$ esv Psalm 23
+Psalm 23
+
+The LORD Is My Shepherd
+
+A Psalm of David.
+
+    The LORD is my shepherd; I shall not want.
+        He makes me lie down in green pastures....
+```
+
+If the requested passage is over 32 lines long, `esv` will pipe it through a pager
+(default less). The pager being used can be changed through the `ESV_PAGER`
+environment variable or just disabled altogether by passing the -P option.
+
+The names of Bible books are not case sensitive, so John, john, JOHN and jOhN
+are all accepted.
+
+## Audio
+
+`esv` supports playing audio passages through the -a option.
+The `mpg123` audio/video player is utilised here and so it is therefore required
+if you want to use audio mode.
+
+Audio usage is the same as normal text usage. `esv -a Matthew 5-7` will play
+an audio passage of Matthew 5-7.
+
+## Installation
+
+To install `esv`, first make sure you have the [LLVM D compiler (ldc)](https://github.com/ldc-developers/ldc#installation) installed on your system.
+There are no other external dependencies.
+
+First clone the source code repository:
+
+```
+$ git clone https://codeberg.org/jtbx/esv
+$ cd esv
+```
+
+Now, compile and install:
+
+```
+$ make
+# make install
+```
+
+By default the Makefile guesses that the ldc executable is named `ldc2`. If it is installed
+under `ldc` instead, you can override the default D compiler executable by adding `DC=ldc`
+to the end of the `make` line.
+
+## Documentation
+
+All documentation is contained in the manual pages. To access them, you can run
+`man esv` and `man esv.conf` for the `esv` utility and the configuration file respectively.
+
+## Copying
+
+Copying, modifying and redistributing all files part of this software except esv.d is permitted
+as long as your changed conform to the GNU General Public License version 2.
+
+The file esv.d is a reusable library. It is covered under the BSD 3-Clause License.
+
+In both cases, the licenses are contained in the file COPYING.
+
+This software uses a modified version of a library named "dini". This is released under
+the Boost Software License version 1.0, which can be found in import/dini/LICENSE.
+dini can be found at https://github.com/robik/dini.
+My changes can be found at https://github.com/jtbx/dini.