Add README.md section explaining our independence from other co-ops, orgs, and companies

README.md

@@ -21,6 +21,18 @@ Gem Cooperative's [Technical Steering Committee](Gem.coop-Governance.md#7-techni
 
 Gem Cooperative's maintainers are not yet appointed.
 
+## Relationship To Other Entities
+
+While membership may overlap between the Gem Cooperative and various cooperatives,
+organizations, or companies, the Gem Cooperative exists independently of them.
+
+The governance model defined in this repository aims to ensure our independence with restrictions including the following:
+
+- [Governance, Section 3 (Project Leadership Committee), item 5](https://github.com/gem-coop/governance/blob/main/Gem.coop-Governance.md#3-project-leadership-committee)
+  > No more than one employee of the same employer may serve on the PLC.
+- [Governance, Section 4 (Technical Steering Committee), item 4](https://github.com/gem-coop/governance/blob/main/Gem.coop-Governance.md#5-technical-steering-committee)
+  > No more than one employee of the same employer may serve on the TSC.
+
 ## License
 
 The first version of these documents were seeded from [Homebrew's documentation](https://docs.brew.sh).