Update git repo URLs in readme

Glenn Roberts

22.50.2020 77b41949e7cdd39382e3aff10869846f779e9718

Update git repo URLs in readme

Fixes this error:

```
git submodule add https://github.com/onweru/compose/ themes/compose
Cloning into '/home/g/src/help/themes/compose'...
ERROR: Repository not found.
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
fatal: clone of 'https://github.com/onweru/compose/' into submodule path '/home/g/src/help/themes/compose' failed
```

 README.md

@@ -23,7 +23,7 @@
This option enables you to load compose theme as a hugo module.

```bash
git clone https://github.com/onweru/compose/
git clone https://github.com/onweru/compose.git
cd compose/exampleSite/
hugo server
```
@@ -42,7 +42,7 @@
hugo new site yourSiteName
cd yourSiteName
git init
git submodule add https://github.com/onweru/compose/ themes/compose
git submodule add https://github.com/onweru/compose.git themes/compose
cp -a themes/compose/exampleSite/* .
```

@@ -59,7 +59,7 @@
You can run your site directly from the `exampleSite`. To do so, use the following commands:

```bash
git clone https://github.com/onweru/compose/
git clone https://github.com/onweru/compose.git
cd compose/exampleSite/
hugo server --themesDir ../..
```