[docs] Add EXPERTS umbrella team

Signed-off-by: Konstantin Pastbin <konstantin.pastbin@gmail.com>

docs/GOVERNANCE/EXPERTS_TEAM.md

@@ -0,0 +1,17 @@
+# Experts and talent
+
+An umbrella "team" for pools of subject matter experts and talent in various fields.
+
+If you need an expert advice in a specific matter like OpenGL, then just tag/mention a relevant group and ask for help.
+If you're an expert in a certain matter and is willing to help the project by sharing your knowledge occasionally then sign up please!
+
+Tag one of these if you seek help/advice on specific matters:
+- @organicmaps/cpp - C++ experts and learners
+- @organicmaps/privacy - privacy best practicies
+- @organicmaps/shaders - 3D graphics and shaders experts
+- @organicmaps/web - web development
+- @organicmaps/brainstorm - general brainstorming of raw ideas
+- @organicmaps/legal - legal matters, licenses compliance
+- @organicmaps/community - community relations, insights into users' feedback and preferences
+
+Please open an issue/PR to ask to be added into one of the pools above or to create a new one!

docs/GOVERNANCE/TEAMS.md

@@ -27,7 +27,7 @@ If you've been contributing actively then feel free to open a PR/issue to add yo
 - GROWTH and SUSTAINABILITY
 <br>marketing (SEO/ASO/SMM), user research, fundraising (donations, grants, monetization), attraction, retention and funding of contributors, financial transparency
 
-- EXPERTS
+- [EXPERTS](EXPERTS_TEAM.md)
 <br>subject matter experts and talent in different fields, willing to share their knowledge
 
 - [ANDROID](ANDROID_TEAM.md)