[19] add templates and inner docs builder

docs/modules/ROOT/nav.adoc

@@ -1,3 +1,3 @@
+* General Guides
 * Runtime Descriptions
-* Pallet guides
-** xref:pallets/pallet.adoc[pallet2]
+* Pallet Specifications

docs/modules/ROOT/pages/pallets/pallet.adoc

@@ -1,36 +0,0 @@
-:source-highlighter: highlight.js
-:highlightjs-languages: rust
-:github-icon: pass:[<svg class="icon"><use href="#github-icon"/></svg>]
-= Pallet Name
-
-== Purpose
-
-This is a freeform description of the tasks that this pallet fulfills
-
-== Config
-
-* `ConfigType` -- desription of config. Include the possible values if there is a set of them.
-
-== Dispatchables
-
-[[add_proxy]]
-=== `++dispatchable_name++` link:https://google.com[{github-icon},role=heading-link]
-```rust
-pub fn dispatchable_name(
-    param1: Type1,
-    param2: Type2
-) -> DispatchResult
-```
-Freeform description of the dispatchable. It is good to include the important things that should be included there.
-
-**Params:**
-
-* `param1: Type1` -- description of the parameter
-
-**Errors:**
-
-* `ErrorName` -- description of conditions, when this error happens
-
-**Events:**
-
-* `EventName(param1, param2)` -- description of event, if needed (they are often self-explanatory)