fixed readme and docs in lib.rs with correct :dep

Author: Spiegie

README.md

@@ -221,7 +221,7 @@ The feature `evcxr` should be enabled when including Plotters to Jupyter Noteboo
 The following code shows a minimal example of this.
 
 ```text
-:dep plotters = { git = "https://github.com/plotters-rs/plotters", default_features = false, features = ["evcxr"] }
+:dep plotters = { version = "^0.3.4", default_features = false, features = ["evcxr", "all_series", "all_elements"] }
 extern crate plotters;
 use plotters::prelude::*;
 

plotters/src/lib.rs

@@ -361,7 +361,7 @@ The feature `evcxr` should be enabled when including Plotters to Jupyter Noteboo
 The following code shows a minimal example of this.
 
 ```text
-:dep plotters = { git = "https://github.com/plotters-rs/plotters", default_features = false, features = ["evcxr"] }
+:dep plotters = { version = "^0.3.4", default_features = false, features = ["evcxr", "all_series", "all_elements"] }
 extern crate plotters;
 use plotters::prelude::*;