Issue #2041: Link to our GitHub from the Software page.

I did, and I fixed some typos on the Software and Install
and Run page too.

Author: hjellinek

content/en/software/_index.md

@@ -13,8 +13,8 @@ There are two main ways of running Medley: accessing it online in a web browser
 * [Access Medley Online](access-online): how to access Medley running on our servers using your web browser. 
 * [Install and Run](install-and-run): how to set Medley up on your computer, and (re)start each time.
 
-Once you are up and running, see "[Using Medley](using-medley)" for some basics and pointers to other documentation.
+Once you are up and running, see "[Using Medley](using-medley)" for some basics and pointers to other documentation.  Our GitHub repositories are [here](https://github.com/interlisp/). 
 
 * *Coming*: [Running Medley in the browser!!](https://groups.google.com/g/lispcore/c/tiD2PUzBLCo/m/HuqWV63_AQAJ)
 
-We are working on making earlier version of Interlisp-D run in the browser. This example of software preservation will let you access a technology artifact of historical significance.
+We are working on making earlier versions of Interlisp-D run in the browser. This example of software preservation will let you access a technology artifact of historical significance.

content/en/software/install-and-run/_index.md

@@ -11,9 +11,6 @@ weight: 10
 type: docs
 ---
 
-Packaged releases of Medley are available for Linux (most recent distros), MacOS and Windows 10/11.  Both x86_64 and Arm64 systems are supported (as well as Arm7 - e.g., Raspberry Pi - for Linux).  Instructions for installing and running Medley on these platforms are linked below.
-
-Medley is capable of running on a variety of other OSes including FreeBSD and Solaris as well as on other CPU architectures including i386, SPARC, PowerPC, and Risc-V.  To install and run Medley on these platforms, you will need to build Medley (and its underlying virtual machine, *Maiko*) from the sources available in the Interlisp repos on github.com.  Instructions for building Medley and Maiko can be be found on github in the [*readme* for Maiko](https://github.com/interlisp/maiko) and the [*readme* for Medley](https://github.com/interlisp/medley).
-
-
+Packaged releases of Medley are available for Linux (most recent distros), macOS and Windows 10/11.  Both x86_64 and ARM64 systems are supported (as well as ARM7 - e.g., Raspberry Pi - for Linux).  Instructions for installing and running Medley on these platforms are linked below.
 
+Medley is capable of running on a variety of other OSes including FreeBSD and Solaris, as well as on other CPU architectures including i386, SPARC, PowerPC, and RISC-V.  To install and run Medley on these platforms, you will need to build Medley (and its underlying virtual machine, *Maiko*) from the sources available in the Interlisp repos on [GitHub.com](https://github.com/interlisp/).  Instructions for building Medley and Maiko can be found on GitHub in the [*README* for Maiko](https://github.com/interlisp/maiko) and the [*README* for Medley](https://github.com/interlisp/medley).