Documentation: merge: move merge strategy list to end
Documentation: merge: move merge strategy list to end

So the section layout changes as follows:

 NAME
 SYNOPSIS
 DESCRIPTION
 OPTIONS
-MERGE STRATEGIES
 HOW MERGE WORKS
 HOW CONFLICTS ARE PRESENTED
 HOW TO RESOLVE CONFLICTS
 EXAMPLES
+MERGE STRATEGIES
 CONFIGURATION
 SEE ALSO
 AUTHOR
 DOCUMENTATION
 GIT
 NOTES

The first-time user will care more about conflicts than about
strategies other than 'recursive'.

One of the examples uses -s ours, but I do not think this hinders
readability.

Suggested-by: Thomas Rast <18f23ef7096473d837b7404952f13710423b8b63@student.ethz.ch>
Signed-off-by: Jonathan Nieder <b57189c5f2fd5b3daf3350a77fde90def1080fa5@gmail.com>
Signed-off-by: Thomas Rast <18f23ef7096473d837b7404952f13710423b8b63@student.ethz.ch>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git