fix: update server definition (input type 'password' -> 'text' for POSTGRES_URL; icon updated; doc URL fixed)

Author: its-mash

servers/community.postgresql.json

@@ -4,48 +4,57 @@
   "name": "PostgreSQL",
   "alias": "postgres",
   "description": "Query PostgreSQL databases with read-only access. Execute SQL queries, inspect table schemas, and explore data in any PostgreSQL database.",
-  "icon": "https://avatars.githubusercontent.com/u/182288589?v=4",
+  "icon": "https://www.postgresql.org/media/img/about/press/elephant.png",
   "schema_version": "2.1",
-  "categories": ["database"],
-  "tags": ["postgres", "postgresql", "database", "sql", "query", "relational"],
-
+  "categories": [
+    "database"
+  ],
+  "tags": [
+    "postgres",
+    "postgresql",
+    "database",
+    "sql",
+    "query",
+    "relational"
+  ],
   "transport": {
     "type": "stdio",
     "command": "npx",
-    "args": ["-y", "@modelcontextprotocol/server-postgres", "${input:POSTGRES_URL}"],
+    "args": [
+      "-y",
+      "@modelcontextprotocol/server-postgres",
+      "${input:POSTGRES_URL}"
+    ],
     "metadata": {
       "inputs": [
         {
           "id": "POSTGRES_URL",
           "label": "PostgreSQL Connection URL",
           "description": "PostgreSQL connection string including host, port, database name, and credentials. All queries run in read-only transactions.",
-          "type": "password",
+          "type": "text",
           "required": true,
           "secret": true,
           "placeholder": "postgresql://username:password@localhost:5432/mydb"
         }
       ]
     }
   },
-
   "auth": {
     "type": "none"
   },
-
   "contributor": {
     "name": "Model Context Protocol",
     "github": "modelcontextprotocol",
     "url": "https://modelcontextprotocol.io"
   },
-
   "links": {
     "repository": "https://github.com/modelcontextprotocol/servers",
     "homepage": "https://www.postgresql.org",
-    "documentation": "https://github.com/modelcontextprotocol/servers/blob/main/src/postgres/README.md"
+    "documentation": "https://github.com/modelcontextprotocol/servers/tree/main/src/postgres#readme"
   },
-
-  "platforms": ["all"],
-
+  "platforms": [
+    "all"
+  ],
   "capabilities": {
     "tools": true,
     "resources": true,