create incubation working directory and first draft of incubation application (#215)

* creation of an incubation working directory and addition of first draft of incubation-application.md for OCM

Signed-off-by: august simonelli <august@redhat.com>

* Update community meeting information on incubation application working doc.

Signed-off-by: august simonelli <august@redhat.com>

* Update application with GTR references and fix some typos

Signed-off-by: august simonelli <august@redhat.com>

* Update maintainer process with PR and Slack examples

Signed-off-by: august simonelli <august@redhat.com>

* fix GTR links

Signed-off-by: Mike Ng <ming@redhat.com>

* add GTR link

Signed-off-by: Mike Ng <ming@redhat.com>

* fix vendor neutral statement

Signed-off-by: Mike Ng <ming@redhat.com>

* mention community webpage for communication

Signed-off-by: Mike Ng <ming@redhat.com>

* OCM at events

Signed-off-by: Mike Ng <ming@redhat.com>

* fix community communication link

Signed-off-by: Mike Ng <ming@redhat.com>

---------

Signed-off-by: august simonelli <august@redhat.com>
Signed-off-by: Mike Ng <ming@redhat.com>
Co-authored-by: Mike Ng <ming@redhat.com>

Author: augustrh