Replace Blog Editor with Information Director role and fix contact links (#116)

* Initial plan

* Replace Blog Editor with Information Director

Co-authored-by: yqtianust <41743566+yqtianust@users.noreply.github.com>

* Update Information Director contact link to correct URL

Co-authored-by: yqtianust <41743566+yqtianust@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: yqtianust <41743566+yqtianust@users.noreply.github.com>

Author: Copilot

content/resources/comms-playbook.md

@@ -8,7 +8,7 @@ This playbook defines SIGSOFT's communication strategy across all channels.
 |---------|----------|---------|-------|
 | [SEWorld](https://www2.sigsoft.org/seworld/) | SE community (broad) | Time-sensitive announcements | SEWorld Moderators |
 | [SEN](https://www2.sigsoft.org/sen/sen/) | SIGSOFT members | Formal publication, columns | SEN Editor |
-| [Blog](https://sigsoft.medium.com/) | SE community + public | Informal thought leadership | Blog Editor |
+| [Blog](https://sigsoft.medium.com/) | SE community + public | Informal thought leadership | Information Director |
 | [Website](https://www2.sigsoft.org/) | Public | Official record, resources | Information Director |
 | Social Media ([X](https://twitter.com/acmsigsoft), [LinkedIn](https://www.linkedin.com/company/acm-sigsoft/)) | Public | Amplification, engagement | Social Media Chair |
 | [Mastodon](https://social.sigsoft.org/) | SE community | Community building, discussion | Social Media Chair |
@@ -173,7 +173,7 @@ See the [Blog Contribution Guidelines](https://sigsoft.medium.com/contribution-p
 |---------|----------|---------|
 | SEWorld | SEWorld Moderators | See [SEWorld page](https://www2.sigsoft.org/seworld/) |
 | SEN | SEN Editor | editors_sigsoft@acm.org |
-| Blog | Blog Editor | See [Executive Committee](https://www2.sigsoft.org/execcontact/) |
-| Website | Information Director | See [Executive Committee](https://www2.sigsoft.org/execcontact/) |
+| Blog | Information Director | See [Information Director](https://www2.sigsoft.org/contact/) |
+| Website | Information Director | See [Information Director](https://www2.sigsoft.org/contact/) |
 | Social Media | Social Media Chair | See [Executive Committee](https://www2.sigsoft.org/execcontact/) |
 | Mastodon | SIGSOFT Executive Committee | See [SIGSOFT Mastodon](https://social.sigsoft.org/about) |