Reorganize docs to cover all snapshot-based distros

docs/distributions/cc7.md

@@ -12,7 +12,7 @@ As of December 2020, the daily release process is completely automated through t
 Apart from the obvious, the script also supports:
 
 * Holiday logic (does not run on weekends, Christmas Shutdown or CERN public holidays)
-* Building CERN rpms (if they are placed in the neccessary `incoming` directories)
+* Building CERN rpms (if they are placed in the necessary `incoming` directories)
 * Automatic rebuild of the openafs kmod for main and centosplus kernels
 * Ability to pause the release by populating a `/mnt/data2/home/build/bin/.freeze` file
 * Ability to exclude packages from promotion to production by populating the `/mnt/data2/home/build/bin/exclude_list` file
@@ -56,8 +56,8 @@ Sometimes src rpms take some time to be published, therefore this step might be
 If a new kernel package is available (e.g `kernel-3.10.0-957.27.2.el7` or `kernel-3.10.0-1062.4.3.el7.centos.plus`), please build the associated modules:
 
 ```bash
-# Build new modules with mock 
-bsbuildmodules -d cc7 -k 3.10.0-${kversion}.el7  
+# Build new modules with mock
+bsbuildmodules -d cc7 -k 3.10.0-${kversion}.el7
 # or for plus packages
 bsbuildmodules -d cc7 -k 3.10.0-${kversion}.el7.centos.plus
 # Copy modules in the build area