Add SDK building instructions and update mkdocs configuration

Author: Snider

docs/getting-started/developer/sdks.md

@@ -0,0 +1,57 @@
+# Building SDK Packages 
+
+We use [openapi-generator](https://openapi-generator.tech/docs/generators) to create SDK packages using a spec taken directly from our C++ API
+
+You can find the sdk builder, the settings, and the spec in the `sdk/` folder.
+
+```shell
+  --- SDK Generation ---
+  make sdk                          Build all SDK packages
+  make sdk android                  Build the android SDK package
+  make sdk bash                     Build the bash SDK package
+  make sdk cpp-oatpp-client         Build the cpp-oatpp-client SDK package
+  make sdk cpp-oatpp-server         Build the cpp-oatpp-server SDK package
+  make sdk dart                     Build the dart SDK package
+  make sdk gdscript                 Build the gdscript SDK package
+  make sdk go                       Build the go SDK package
+  make sdk graphql-schema           Build the graphql-schema SDK package
+  make sdk haskell-http-client      Build the haskell-http-client SDK package
+  make sdk java                     Build the java SDK package
+  make sdk jetbrains-http-client    Build the jetbrains-http-client SDK package
+  make sdk k6                       Build the k6 SDK package
+  make sdk lua                      Build the lua SDK package
+  make sdk markdown                 Build the markdown SDK package
+  make sdk mysql-schema             Build the mysql-schema SDK package
+  make sdk nim                      Build the nim SDK package
+  make sdk php                      Build the php SDK package
+  make sdk powershell               Build the powershell SDK package
+  make sdk protobuf-schema          Build the protobuf-schema SDK package
+  make sdk python                   Build the python SDK package
+  make sdk r                        Build the r SDK package
+  make sdk ruby                     Build the ruby SDK package
+  make sdk rust                     Build the rust SDK package
+  make sdk swift5                   Build the swift5 SDK package
+  make sdk swift6                   Build the swift6 SDK package
+  make sdk typescript               Build the typescript SDK package
+  make sdk typescript-angular       Build the typescript-angular SDK package
+  make sdk typescript-node          Build the typescript-node SDK package
+  make sdk wsdl-schema              Build the wsdl-schema SDK package
+  make sdk zapier                   Build the zapier SDK package
+```
+
+```php
+<?php
+require_once(__DIR__ . '/vendor/autoload.php');
+
+$blocks = new OpenAPI\Client\Api\BlockApi();
+
+$hash = 'hash_example'; 
+
+try {
+    $block = $blocks->getBlockByHash($hash);
+    print_r($block);
+    print_r($block->transation_details[0]->pub_key);
+} catch (Exception $e) {
+    echo 'Exception when calling BlockApi->getBlockByHash: ', $e->getMessage(), PHP_EOL;
+}
+```

mkdocs.yml

@@ -73,6 +73,7 @@ nav:
     - Developer:
       - getting-started/developer/index.md
       - getting-started/developer/build.md
+      - getting-started/developer/sdks.md
       - getting-started/developer/docker.md
   - Updates:
       - updates/index.md