chore: update docs

Author: tianzhou

docs/docs.json

@@ -67,8 +67,8 @@
   "navbar": {
     "links": [
       {
-        "label": "Pricing",
-        "href": "https://www.pgconsole.com/pricing"
+        "type": "github",
+        "href": "https://github.com/pgplex/pgconsole"
       }
     ],
     "primary": {

docs/getting-started/faq.mdx

@@ -11,13 +11,17 @@ title: FAQ
 
 pgconsole supports all PostgreSQL versions that have not reached [end-of-life](https://www.postgresql.org/support/versioning/).
 
-## Does pgconsole phone home?
+## Does pgconsole phone home? Is it air-gapped?
 
 No. pgconsole is fully self-hosted and makes no outbound network requests except:
 
 - Database connections you configure
 - [AI provider](/features/ai-assistant) APIs, if you enable AI features
 
+## License
+
+pgconsole is [source available](https://github.com/pgplex/pgconsole/blob/main/LICENSE). The Community plan is free to use. A commercial license is required for the Team or Enterprise plan.
+
 ## Certifications
 
 SOC 2 Type II.

docs/getting-started/introduction.mdx

@@ -6,7 +6,7 @@ title: Introduction
 
 _From the makers of [Bytebase](https://www.bytebase.com), [pgschema](https://github.com/pgschema/pgschema), and [Google Cloud SQL for Postgres](https://cloud.google.com/sql/postgresql)._
 
-pgconsole is a web-based PostgreSQL editor. Single binary, single config file, no database required. Connect your team to PostgreSQL with access control and audit logging built in.
+`pgconsole` is an open source web-based PostgreSQL editor. Single binary, single config file, no database required. Connect your team to PostgreSQL with access control and audit logging built in.
 
 ```mermaid
 flowchart TD