Add links to docs (#18)

Update readme

Fix

Author: mbilski

README.md

@@ -5,14 +5,15 @@
 [![release](https://img.shields.io/github/release-pre/cloudentity/oauth2c.svg)](https://github.com/cloudentity/oauth2c/releases)
 [![downloads](https://img.shields.io/github/downloads/cloudentity/oauth2c/total)](https://github.com/cloudentity/oauth2c/releases)
 
-`oauth2c` provides a simple and intuitive interface that allows developers to quickly and easily experiment with different grant types and client authentication methods.
+`oauth2c` is a command-line tool that simplifies the process of experimenting with different grant types and client authentication methods for OAuth 2.0.
 
 ![demo](https://user-images.githubusercontent.com/909896/176916616-36d803ef-832a-4bd8-ba8d-f6689e31ed22.gif)
 
 ## Features
 
-* Supports all modern OAuth 2.0 grant types: authorization code, implicit, password, client credentials, refresh token, jwt bearer
-* Supports all client authentication methods: client secret basic, client secret post, client secret jwt, private key jwt, tls client auth
+* Simple and intuitive interface for quickly experimenting with different OAuth 2.0 grant types and client authentication methods
+* Supports all modern OAuth 2.0 grant types: authorization code, implicit, password, client credentials, refresh token, JWT bearer
+* Supports all client authentication methods: client secret basic, client secret post, client secret JWT, private key JWT, TLS client auth
 
 ## Installation
 
@@ -29,7 +30,7 @@ Alternatively, you can download a pre-built binary from the [releases page].
 
 ## Usage
 
-To use `oauth2c`, simply run the following command and follow the prompts:
+To use `oauth2c`, run the following command and follow the prompts:
 
 ``` sh
 oauth2c [issuer url] [flags]
@@ -67,6 +68,8 @@ oauth2c https://oauth2c.us.authz.cloudentity.io/oauth2c/demo \
   --no-pkce
 ```
 
+[Learn more about authorization code flow](https://cloudentity.com/developers/basics/oauth-grant-types/authorization-code-flow/)
+
 #### Authorization code + PKCE
 
 The Proof Key for Code Exchange (PKCE) is an extension to the OAuth2 authorization code grant flow that
@@ -93,6 +96,8 @@ oauth2c https://oauth2c.us.authz.cloudentity.io/oauth2c/demo \
   --pkce
 ```
 
+[Learn more about authorization code flow with pkce](https://cloudentity.com/developers/basics/oauth-grant-types/authorization-code-with-pkce/)
+
 #### Implicit
 
 This grant type is similar to the authorization code grant, but the access token is returned directly to
@@ -110,6 +115,8 @@ oauth2c https://oauth2c.us.authz.cloudentity.io/oauth2c/demo \
   --scopes openid,email,offline_access
 ```
 
+[Learn more about implicit flow](https://cloudentity.com/developers/basics/oauth-grant-types/implicit-flow/)
+
 #### Hybrid
 
 To use the OAuth2 hybrid flow to obtain an authorization code and an ID token, the client first sends an authorization request to the OAuth2 provider. The request should include the code and id_token response types.
@@ -130,6 +137,8 @@ oauth2c https://oauth2c.us.authz.cloudentity.io/oauth2c/demo \
   --no-pkce
 ```
 
+[Learn more about the hybrid flow](https://cloudentity.com/developers/basics/oauth-grant-types/hybrid-flow/)
+
 #### Client credentials
 
 This grant type involves the client providing its own credentials (i.e. client ID and client secret) to
@@ -145,6 +154,7 @@ oauth2c https://oauth2c.us.authz.cloudentity.io/oauth2c/demo \
   --scopes introspect_tokens,revoke_tokens
 ```
 
+[Learn more about the client credentials flow](https://cloudentity.com/developers/basics/oauth-grant-types/client-credentials-flow/)
 
 #### Refresh token
 
@@ -161,6 +171,8 @@ oauth2c https://oauth2c.us.authz.cloudentity.io/oauth2c/demo \
   --refresh-token 1X1IvWR8p5rgKnH2YNmHGd4pZp8Dq-85xzUQuJejT_g.O_DS8Y4eiTS5jZ47_eBv3VbwP4zQUyxjNVW93AyU82k
 ```
 
+[Learn more about the refresh token flow](https://cloudentity.com/developers/basics/oauth-grant-types/refresh-token-flow/)
+
 #### Password
 
 This grant type involves the client providing the user's username and password to the OAuth2 server, which
@@ -176,6 +188,8 @@ oauth2c https://oauth2c.us.authz.cloudentity.io/oauth2c/demo \
   --scopes openid
 ```
 
+[Learn more about the password flow](https://cloudentity.com/developers/basics/oauth-grant-types/resource-owner-password-credentials/)
+
 #### JWT Bearer
 
 This grant type involves the client providing a JSON Web Token (JWT) to the OAuth2 server, which then returns
@@ -193,6 +207,8 @@ oauth2c https://oauth2c.us.authz.cloudentity.io/oauth2c/demo \
   --assertion '{"sub":"[email protected]"}'
 ```
 
+[Learn more about the jwt bearer flow](https://cloudentity.com/developers/basics/oauth-grant-types/using-jwt-profile-for-authorization-flows/)
+
 ### Auth methods
 
 #### Client Secret Basic
@@ -210,6 +226,8 @@ oauth2c https://oauth2c.us.authz.cloudentity.io/oauth2c/demo \
   --scopes introspect_tokens,revoke_tokens
 ```
 
+[Learn more about client secret basic](https://cloudentity.com/developers/basics/oauth-client-authentication/client-secret-authentication/#process-of-authentication-with-client_secret_basic)
+
 #### Client Secret Post
 
 This client authentication method involves the client sending its client ID and client secret as part of
@@ -226,6 +244,8 @@ oauth2c https://oauth2c.us.authz.cloudentity.io/oauth2c/demo \
   --scopes introspect_tokens,revoke_tokens
 ```
 
+[Learn more about client secret post](https://cloudentity.com/developers/basics/oauth-client-authentication/client-secret-authentication/#process-of-authentication-with-client_secret_post)
+
 #### Client Secret JWT
 
 This client authentication method involves the client signing a JSON Web Token (JWT) using its client secret,
@@ -241,6 +261,8 @@ oauth2c https://oauth2c.us.authz.cloudentity.io/oauth2c/demo \
   --scopes introspect_tokens,revoke_tokens
 ```
 
+[Learn more about client secret jwt](https://cloudentity.com/developers/basics/oauth-client-authentication/client-secret-authentication/#process-of-authentication-with-client_secret_jwt)
+
 #### Private Key JWT
 
 This client authentication method involves the client signing a JSON Web Token (JWT) using its private key,
@@ -256,6 +278,8 @@ oauth2c https://oauth2c.us.authz.cloudentity.io/oauth2c/demo \
   --scopes introspect_tokens,revoke_tokens
 ```
 
+[Learn more about private key jwt](https://cloudentity.com/developers/basics/oauth-client-authentication/private-key-jwt-client-authentication/)
+
 #### TLS Client Auth
 
 This client authentication method involves the client providing its own certificate as part of the TLS
@@ -273,6 +297,8 @@ oauth2c https://oauth2c.us.authz.cloudentity.io/oauth2c/demo \
   --scopes introspect_tokens,revoke_tokens
 ```
 
+[Learn more about tls client auth](https://cloudentity.com/developers/basics/oauth-client-authentication/oauth-mtls-client-authentication/)
+
 ## License
 
 `oauth2c` is released under the [Apache v2.0](http://www.apache.org/licenses/LICENSE-2.0).