Update contract_metadata.md

docs/contract_metadata.md

@@ -14,13 +14,56 @@ Values are addresses of libraries used for linking the contract.
 
 `autoDeployLib` defines if the libraries should be auto deployed by Remix or if the contract should be linked with libraries described in `linkReferences`
 
+Note that Remix will resolve addresses corresponding to the current network.
+By default, a configuration key follow the form: `<network_name>:<networkd_id>`, but it is also possible
+to define `<network_name>` or `<network_id>` as keys.
+
 ```
 {
-	"linkReferences": {
-		"browser/Untitled.sol": {
-			"lib": "0x8c1ed7e19abaa9f23c476da86dc1577f1ef401f5"
-		}
+	"VM:-": {
+		"linkReferences": {
+			"browser/Untitled.sol": {
+				"lib": "<address>",
+				"lib2": "<address>"
+			}
+		},
+		"autoDeployLib": true
+	},
+	"main:1": {
+		"linkReferences": {
+			"browser/Untitled.sol": {
+				"lib": "<address>",
+				"lib2": "<address>"
+			}
+		},
+		"autoDeployLib": true
+	},
+	"ropsten:3": {
+		"linkReferences": {
+			"browser/Untitled.sol": {
+				"lib": "<address>",
+				"lib2": "<address>"
+			}
+		},
+		"autoDeployLib": true
+	},
+	"rinkeby:4": {
+		"linkReferences": {
+			"browser/Untitled.sol": {
+				"lib": "<address>",
+				"lib2": "<address>"
+			}
+		},
+		"autoDeployLib": true
 	},
-	"autoDeployLib": false
+	"kovan:42": {
+		"linkReferences": {
+			"browser/Untitled.sol": {
+				"lib": "<address>",
+				"lib2": "<address>"
+			}
+		},
+		"autoDeployLib": true
+	}
 }
 ```