Misc doc changes (#27)

List of changes:
- bump elixir/erlang version in asdf
- add missing docs to final html output
- fix incorrect license file link in readme

.tool-versions

@@ -1,2 +1,2 @@
-elixir 1.14.3
-erlang 25.2
+elixir 1.15.7-otp-26
+erlang 26.1.2

CONTRIBUTING.md

@@ -1,4 +1,4 @@
-# Contributing to Uinta
+# Contributing to Graphql Markdown
 
 Please take a moment to review this document in order to make the contribution
 process easy and effective for everyone involved!
@@ -118,13 +118,13 @@ in order to craft an excellent pull request:
 
    ```bash
    # Clone your fork of the repo into the current directory
-   git clone https://github.com/<your-username>/uinta
+   git clone https://github.com/<your-username>/graphql_markdown
 
    # Navigate to the newly cloned directory
    cd uinta
 
    # Assign the original repo to a remote called "upstream"
-   git remote add upstream https://github.com/podium/uinta
+   git remote add upstream https://github.com/podium/graphql_markdown
    ```
 
 2. If you cloned a while ago, get the latest changes from upstream, and update your fork:

README.md

@@ -17,10 +17,15 @@ end
 
 And run:
 
-    $ mix deps.get
+```shell
+mix deps.get
+```
 
-    # will create a single file called graphql_schema.md in the current dir
-    $ mix graphql_gen_markdown -f ./schema.json
+Generate a single file called `graphql_schema.md` in the current dir:
+
+```shell
+mix graphql_gen_markdown -f ./schema.json
+```
 
 
 Documentation can be generated with [ExDoc](https://github.com/elixir-lang/ex_doc)
@@ -96,7 +101,7 @@ defmodule Azeroth.MixProject do
 
 Make sure the absinthe schema is specified or generated with that name. Or add to your config.exs:
 
-```
+```elixir
 config :absinthe, schema: YouApp.GraphQL.Schema
 ```
 
@@ -118,4 +123,4 @@ Emmanuel Pinault (@epinault)
 
 ## License
 
-GraphqlMarkdown is released under the MIT License. See the LICENSE file for further details.
+GraphqlMarkdown is released under the MIT License. See the [LICENSE.md](LICENSE.md) file for further details.

mix.exs

@@ -39,8 +39,11 @@ defmodule GraphqlMarkdown.MixProject do
     [
       main: "readme",
       extras: [
+        "CHANGELOG.md",
         {:"README.md", title: "Readme"},
-        "CHANGELOG.md"
+        {:"LICENSE.md", title: "License"},
+        {:"CONTRIBUTING.md", title: "Contributing"},
+        "CODE_OF_CONDUCT.md"
       ],
       source_url: @project_url,
       source_ref: "v#{@version}",