download/v6.0.x-from-git.md: added file for v6.0.x series

docs/download/v6.0.x-from-git.md

@@ -0,0 +1,27 @@
+# Download Sources of Kamailio v6.0.x from GIT Repository
+
+Instructions to download sources from GIT repository, specific for
+stable branch 6.0 (release series v6.0.x).
+
+## Kamailio v6.0.x
+
+Direct download of sources from GIT for latest Kamailio v6.0.x.
+
+```
+    git clone --depth 1 --no-single-branch https://github.com/kamailio/kamailio kamailio
+    cd kamailio
+    git checkout -b 6.0 origin/6.0
+```
+
+*Note: if your git client version does not support **–no-single-branch**
+command line parameter, then just remove it.*
+
+Or, for newer git versions, with direct branch 6.0 checkout:
+
+```
+    git clone --depth 1 --branch 6.0 https://github.com/kamailio/kamailio kamailio
+    cd kamailio
+```
+
+*Note: if you want to have the full commit history, then remove
+**--depth 1** command line parameter.*