Update README.md, include readme in crate docs (#321)

* Include README.md in docs

* Fix syntax highlighting in README.md, ignore all readme codeblocks in doctests

Author: yui-915

README.md

@@ -68,7 +68,7 @@ Writing native node-js requires lots of boilerplate code.  Node-bindgen generate
 
 Install nj-cli command line, which will be used to generate the native library.
 
-```
+```sh
 cargo install nj-cli
 ```
 
@@ -79,26 +79,26 @@ This is a one time step.
 Add two dependencies to your projects' ```Cargo.toml```.
 
 Add ```node-bindgen``` as a regular dependency (as below):
-```
+```toml
 [dependencies]
 node-bindgen = { version = "6.0" }
 ```
 
 Then add ```node-bindgen```'s procedure macro to your build-dependencies as below:
-```
+```toml
 [build-dependencies]
 node-bindgen = { version = "6.0", default-features = false, features = ["build"] }
 ```
 
 Then update crate type to ```cdylib``` to generate node.js compatible native module:
-```
+```toml
 [lib]
 crate-type = ["cdylib"]
 ```
 
 Finally, add ```build.rs``` at the top of the project with following content:
 
-```
+```rust,ignore
 fn main() {
     node_bindgen::build::configure();
 }
@@ -110,7 +110,7 @@ fn main() {
 Here is a function that adds two numbers.  Note that you don't need to worry about JS conversion.
 
 
-```rust
+```rust,ignore
 
 use node_bindgen::derive::node_bindgen;
 
@@ -126,14 +126,14 @@ fn sum(first: i32, second: i32) -> i32 {
 
 To build node.js library, using ```nj-cli``` to build:
 
-```
+```sh
 nj-cli build
 ```
 
 This will generate Node.js module in "./dist" folder.
 
 To build a release version:
-```
+```sh
 nj-cli build --release
 ```
 
@@ -169,7 +169,7 @@ undefined
 
 ## Function name or method can be renamed instead of default mapping
 
-```rust
+```rust,ignore
 #[node_bindgen(name="multiply")]
 fn mul(first: i32,second: i32) -> i32 {
     first * second
@@ -181,7 +181,7 @@ Rust function mul is re-mapped as ```multiply```
 ## Optional argument
 
 Argument can be skipped if it is marked as optional
-```rust
+```rust,ignore
 #[node_bindgen]
 fn sum(first: i32, second: Option<i32>) -> i32 {
     first + second.unwrap_or(0)
@@ -195,7 +195,7 @@ Then sum can be invoked as
 
 JS callback are mapped as Rust closure.
 
-```rust
+```rust,ignore
 #[node_bindgen]
 fn hello<F: Fn(String)>(first: f64, second: F) {
 
@@ -222,7 +222,7 @@ Callback are supported in Async rust as well.
 
 Async rust function is mapped to Node.js promise.
 
-```rust
+```rust,ignore
 
 use std::time::Duration;
 use flv_future_aio::time::sleep;
@@ -252,7 +252,7 @@ addon.hello(5).then((val) => {
 Structs, including generic structs, can have have the to-JS conversion boilerplate autogenerated.
 Just apply the `node_bindgen` macro to your struct:
 
-```rust
+```rust,ignore
 #[node_bindgen]
 struct MyJson {
     some_name: String,
@@ -285,7 +285,7 @@ Field names will be converted to camelCase.
 
 Enums will also have their JS representation autogenerated with the help of `node_bindgen`:
 
-```rust
+```rust,ignore
 #[node_bindgen]
 enum ErrorType {
     WithMessage(String, usize),
@@ -332,7 +332,7 @@ Generics and references are supported, with the same caveats as for structs.
 
 JavaScript class is supported.
 
-```rust
+```rust,ignore
 
 struct MyClass {
     val: f64,
@@ -380,8 +380,8 @@ environment has a valid C/C++ compiler.
 In the future, this file will be re-written in Rust, removing this dependency.
 
 Just make sure that you are compiling the rust module using
-```
-$ npx electron-build-env nj-cli build --release
+```sh
+npx electron-build-env nj-cli build --release
 ```
 
 otherwise you will get dreaded  `A dynamic link library (DLL) initialization routine failed` when importing the rust module in electron
@@ -398,7 +398,7 @@ In addition, because `tslink` generates TypeScript types definitions, any change
 
 For example,
 
-```ignore
+```rust,ignore
 #[macro_use] extern crate tslink;
 use tslink::tslink;
 use node_bindgen::derive::node_bindgen;
@@ -426,7 +426,7 @@ impl MyScruct {
 
 Would be represented (`*.d.ts`) as
 
-```ignore
+```ts
 export declare class MyStruct {
     constructor(inc: number);
     incMyNumber(a: number): number;
@@ -441,11 +441,11 @@ Also, please **note**, `node-bindgen` by default applies snake case naming to me
 
 File: `./Cargo.toml` (in a `root` of project):
 
-```ignore
+```toml
 [project]
-...
+# ...
 [lib]
-...
+# ...
 [tslink]
 node = "./dist/index.node"
 ```

src/lib.rs

@@ -1,3 +1,5 @@
+#![doc = include_str!("../README.md")]
+
 #[cfg(feature = "node")]
 pub mod core {
     pub use nj_core::*;