[Add] - runtime upgrade tutorial (#760)

* fix: #add-scaffold-pallet-structure step 2 snippets

* fix: build-custom-pallet snippets broken

* fix: pallet-unit-testing broken snippets

* fix: re-ordering zero-to-hero tutorials

* fix: snippets and frame-omni-bencher version

* fix: runtime upgrade wip

* fix: wording

* fix: runtime upgrade page completed

* fix: formatting

* fix: copilot suggestions

* fix: correct formatting in mock runtime examples

* fix: update tutorial for runtime upgrade instructions

Author: nhussein11

.snippets/code/tutorials/polkadot-sdk/parachains/zero-to-hero/runtime-upgrade/runtime-compilation.html

@@ -0,0 +1,7 @@
+<div id="termynal" data-termynal>
+  <span data-ty="input"><span class="file-path"></span>ls -la target/release/wbuild/parachain-template-runtime/</span>
+  <br />
+  <span data-ty>parachain_template_runtime.wasm</span>
+  <span data-ty>parachain_template_runtime.compact.wasm</span>
+  <span data-ty>parachain_template_runtime.compact.compressed.wasm</span>
+</div>