Add mysql feature flags

Add corresponding feature flags to the wundergraph_derive, wundergraph and wundergraph_cli crate

Author: Alexei Pastuchov

wundergraph/Cargo.toml

@@ -39,6 +39,7 @@ insta = "0.12"
 [features]
 default = []
 debug = ["wundergraph_derive/debug", "log"]
+mysql = ["diesel/mysql", "wundergraph_derive/mysql"]
 sqlite = ["diesel/sqlite", "wundergraph_derive/sqlite"]
 postgres = ["diesel/postgres", "wundergraph_derive/postgres"]
 extras = ["uuid", "chrono"]

wundergraph_cli/Cargo.toml

@@ -24,5 +24,6 @@ serde_json = "1"
 
 [features]
 default = ["postgres"]
+mysql = ["diesel/mysql"]
 sqlite = ["diesel/sqlite"]
 postgres = ["diesel/postgres"]

wundergraph_derive/Cargo.toml

@@ -21,6 +21,7 @@ proc-macro = true
 [features]
 default = []
 nightly = ["proc-macro2/nightly"]
+mysql = []
 postgres = []
 sqlite = []
 debug = []